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    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Side view of beautiful mixed-race female doctor consoling mixed-race female patient in the ward. Mixed-race female patient is lying in bed at the ward. — Stock Photo
    Side view of beautiful mixed-race female doctor consoling mixed-race female patient in the ward. Mixed-race female patient is lying in bed at the ward.
    High angle view of Caucasian man comforting pregnant woman during labor while mixed-race female doctor uses respirator on patient in operation theater at hospital — Stock Photo
    High angle view of Caucasian man comforting pregnant woman during labor while mixed-race female doctor uses respirator on patient in operation theater at hospital
    Little kid using inhaler in clinic during check up — Stock Photo
    Little kid using inhaler in clinic during check up
    Red blood cells flowing inside an artery — Stock Photo
    Red blood cells flowing inside an artery
    Portrait of beautiful young mixed race female patient lying on bed with hands on stomach in the ward in hospital. Pulse oximetry is measuring the oxygen level in her blood. — Stock Photo
    Portrait of beautiful young mixed race female patient lying on bed with hands on stomach in the ward in hospital. Pulse oximetry is measuring the oxygen level in her blood.
    Front view of beautiful mixed-race female doctor in hijab giving medicine to mixed-race female patient in the ward at hospital. — Stock Photo
    Front view of beautiful mixed-race female doctor in hijab giving medicine to mixed-race female patient in the ward at hospital.
    Attentive male scientist working in laboratory — Stock Photo
    Attentive male scientist working in laboratory
    Anesthesiologist holding oxygen mask over patient during surgery — Stock Photo
    Anesthesiologist holding oxygen mask over patient during surgery
    Surgeons adjusting oxygen mask on patient in operation theater of hospital — Stock Photo
    Surgeons adjusting oxygen mask on patient in operation theater of hospital
    Doctor putting oxygen mask on patient in hospital — Stock Photo
    Doctor putting oxygen mask on patient in hospital
    Crop unrecognizable medic using pulse oximeter on finger of patient for examining symptoms of COVID 19 in hospital — Stock Photo
    Crop unrecognizable medic using pulse oximeter on finger of patient for examining symptoms of COVID 19 in hospital
    Side view unrecognizable person wearing silver costume with breathing apparatus and hose attached to potted plant standing in shabby abandoned room — Stock Photo
    Side view unrecognizable person wearing silver costume with breathing apparatus and hose attached to potted plant standing in shabby abandoned room
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Divers scuba diving in the Belize Barrier Reef, Three Amigos Dive Site, Turneffe Atoll; Belize — Stock Photo
    Divers scuba diving in the Belize Barrier Reef, Three Amigos Dive Site, Turneffe Atoll; Belize
    Front view of diverse female doctors interacting with mature mixed-race female patient in the ward at hospital. Female patient is looking relieved. — Stock Photo
    Front view of diverse female doctors interacting with mature mixed-race female patient in the ward at hospital. Female patient is looking relieved.
    Side view of mixed race female doctor interacting with Caucasian male patient in the ward at hospital — Stock Photo
    Side view of mixed race female doctor interacting with Caucasian male patient in the ward at hospital
    Pine forest landscape with long shadows cast by the sun in woods — Stock Photo
    Pine forest landscape with long shadows cast by the sun in woods
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic — Stock Photo
    Crop unrecognizable veterinarian measuring pulse of cat with blood oxygen meter during operation in clinic
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    Oxygen mask and tube on white background. — Stock Photo
    Oxygen mask and tube on white background.
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Female doctor putting oxygen mask on patient face in the hospital — Stock Photo
    Female doctor putting oxygen mask on patient face in the hospital
    Scenic view of scuba divers swimming under water — Stock Photo
    Scenic view of scuba divers swimming under water
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Male patient with nasal cannula, portrait. — Stock Photo
    Male patient with nasal cannula, portrait.
    Team of doctors putting oxygen mask on a male senior patient face in the hospital — Stock Photo
    Team of doctors putting oxygen mask on a male senior patient face in the hospital
    Top view of crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic — Stock Photo
    Top view of crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic
    Measuring oxygen saturation in blood with pulse oximeter. — Stock Photo
    Measuring oxygen saturation in blood with pulse oximeter.
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Nurse consoling senior patient with doctor in hospital — Stock Photo
    Nurse consoling senior patient with doctor in hospital
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Senior patient lying on bed with oxygen mask on face in hospital — Stock Photo
    Senior patient lying on bed with oxygen mask on face in hospital
    Content mother putting on oxygen mask on face of son for inhalation procedure while sitting on sofa at home — Stock Photo
    Content mother putting on oxygen mask on face of son for inhalation procedure while sitting on sofa at home
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home — Stock Photo
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home
    Side view of beautiful mature mixed-race female patient using digital tablet in the ward at hospital. — Stock Photo
    Side view of beautiful mature mixed-race female patient using digital tablet in the ward at hospital.
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Team of doctors putting oxygen mask on a male senior patient face in the hospital — Stock Photo
    Team of doctors putting oxygen mask on a male senior patient face in the hospital
    Side view of content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home — Stock Photo
    Side view of content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home
    Astrocyte glial nerve cell, digital illustration. — Stock Photo
    Astrocyte glial nerve cell, digital illustration.
    Front view of diverse male patients interacting with each other in the ward at hospital. — Stock Photo
    Front view of diverse male patients interacting with each other in the ward at hospital.
    Ward boy pushing senior patient on stretcher in hospital corridor — Stock Photo
    Ward boy pushing senior patient on stretcher in hospital corridor
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption. — Stock Photo
    Athlete in oxygen mask riding exercise bike with measuring of oxygen consumption.
    Front view of diverse female doctors interacting with mature mixed-race female patient in the ward at hospital. Female patient is looking happy. — Stock Photo
    Front view of diverse female doctors interacting with mature mixed-race female patient in the ward at hospital. Female patient is looking happy.
    Ward boy pushing senior patient on stretcher in hospital corridor — Stock Photo
    Ward boy pushing senior patient on stretcher in hospital corridor
    Doctor holding oxygen mask over patient, male doctor adjusting IV drip — Stock Photo
    Doctor holding oxygen mask over patient, male doctor adjusting IV drip
    Side view of little boy with asthma using inhaler while lying down on sofa at home — Stock Photo
    Side view of little boy with asthma using inhaler while lying down on sofa at home
    Female patient with nasal cannula. — Stock Photo
    Female patient with nasal cannula.
    From above of crop unrecognizable vet with colleague putting oxygen mask on muzzle of cat while preparing for surgery — Stock Photo
    From above of crop unrecognizable vet with colleague putting oxygen mask on muzzle of cat while preparing for surgery
    Anesthesiologist holding oxygen mask over patients face in operating room — Stock Photo
    Anesthesiologist holding oxygen mask over patients face in operating room
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Patient with oxygen mask in operating room — Stock Photo
    Patient with oxygen mask in operating room
    Side view unrecognizable person wearing silver costume with breathing apparatus and hose attached to potted plant standing in shabby abandoned room — Stock Photo
    Side view unrecognizable person wearing silver costume with breathing apparatus and hose attached to potted plant standing in shabby abandoned room
    Doctor holding oxygen mask over patient's face in intensive care unit — Stock Photo
    Doctor holding oxygen mask over patient's face in intensive care unit
    Red blood cells — Stock Photo
    Red blood cells
    Side view of diverse male patients interacting with each other in the ward at hospital. Caucasian male patient lying in bed while mixed-race patient sits in wheelchair. — Stock Photo
    Side view of diverse male patients interacting with each other in the ward at hospital. Caucasian male patient lying in bed while mixed-race patient sits in wheelchair.
    Content mother putting on oxygen mask on face of son for inhalation procedure while sitting on sofa at home — Stock Photo
    Content mother putting on oxygen mask on face of son for inhalation procedure while sitting on sofa at home
    Crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic while using laptop — Stock Photo
    Crop unrecognizable doctor measuring blood oxygen of patient with heart rate monitor at table with stethoscope in clinic while using laptop
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot