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    Close up of mixed race female doctor giving medicine to mature mixed-race female patient in the ward at hospital — Stock Photo
    Close up of mixed race female doctor giving medicine to mature mixed-race female patient in the ward at hospital
    Conceptual illustration of red blood cells (erythrocytes) with oxygen molecules (white) in an artery. — Stock Photo
    Conceptual illustration of red blood cells (erythrocytes) with oxygen molecules (white) in an artery.
    Hand of a doctor giving oxygen to a pregnant woman in operating room — Stock Photo
    Hand of a doctor giving oxygen to a pregnant woman in operating room
    Fluffy cat with paw in blood oxygen meter lying on medical table after operation in clinic — Stock Photo
    Fluffy cat with paw in blood oxygen meter lying on medical table after operation in clinic
    Pulse oximeter, blood oxygen saturation monitor. — Stock Photo
    Pulse oximeter, blood oxygen saturation monitor.
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Mount Nuptse Everest Himalaya Nepal — Stock Photo
    Mount Nuptse Everest Himalaya Nepal
    Doctors examining senior patient with stethoscope in hospital bed — Stock Photo
    Doctors examining senior patient with stethoscope in hospital bed
    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
    Side view of diverse male patients sleeping in bed in the ward at hospital — Stock Photo
    Side view of diverse male patients sleeping in bed in the ward at hospital
    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
    Close up of thoughtful mixed race female patient relaxing in bed in the ward at hospital — Stock Photo
    Close up of thoughtful mixed race female patient relaxing in bed in the ward at hospital
    Doctors adjusting oxygen mask while rushing the patient in emergency room at hospital — Stock Photo
    Doctors adjusting oxygen mask while rushing the patient in emergency room at hospital
    African american senior woman sitting on wheelchair with oxygen mask and looking through window. healthcare and lifestyle during covid 19 pandemic. — Stock Photo
    African american senior woman sitting on wheelchair with oxygen mask and looking through window. healthcare and lifestyle during covid 19 pandemic.
    Cardiovascular system transporting nutrients and oxygen — Stock Photo
    Cardiovascular system transporting nutrients and oxygen
    Anesthesiologist holding oxygen mask over patient's face in operating theater — Stock Photo
    Anesthesiologist holding oxygen mask over patient's face in operating theater
    Coloured scanning electron micrograph (SEM) Chicken eggshell surface (Gallus gallus domesticus). — Stock Photo
    Coloured scanning electron micrograph (SEM) Chicken eggshell surface (Gallus gallus domesticus).
    African american senior woman sitting on wheelchair with oxygen mask at home. healthcare and lifestyle during covid 19 pandemic. — Stock Photo
    African american senior woman sitting on wheelchair with oxygen mask at home. healthcare and lifestyle during covid 19 pandemic.
    Close-up of plugs in wall in animal hospital — Stock Photo
    Close-up of plugs in wall in animal hospital
    Loving mother with infrared thermometer measuring temperature of boy breathing in oxygen mask during inhalation procedure and watching cartoon on tablet at home — Stock Photo
    Loving mother with infrared thermometer measuring temperature of boy breathing in oxygen mask during inhalation procedure and watching cartoon on tablet at home
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Team of doctors giving oxygen to patient in intensive care unit — Stock Photo
    Team of doctors giving oxygen to patient in intensive care unit
    Surgeon holding oxygen mask in operation room at hospital — Stock Photo
    Surgeon holding oxygen mask in operation room at hospital
    Serious female medic in protective mask using pulse oximeter for Latin teen boy during appointment at home — Stock Photo
    Serious female medic in protective mask using pulse oximeter for Latin teen boy during appointment at home
    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
    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
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Doctor with oximeter examining little patient — Stock Photo
    Doctor with oximeter examining little patient
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Female doctor putting oxygen mask on patient face in the hospital — Stock Photo
    Female doctor putting oxygen mask on patient face in the hospital
    Over the shoulder view of mixed race female doctor in hijab consoling beautiful mixed-race female patient in the ward at hospital. They are holding hands. — Stock Photo
    Over the shoulder view of mixed race female doctor in hijab consoling beautiful mixed-race female patient in the ward at hospital. They are holding hands.
    Top view of little boy with asthma using inhaler while lying down on sofa at home — Stock Photo
    Top view of little boy with asthma using inhaler while lying down on sofa at home
    Sick boy in oxygen mask sitting on sofa at home and playing video game on tablet — Stock Photo
    Sick boy in oxygen mask sitting on sofa at home and playing video game on tablet
    Back view of anonymous sportspeople silhouettes with diving equipment and photo camera swimming under sea water with bubbles — Stock Photo
    Back view of anonymous sportspeople silhouettes with diving equipment and photo camera swimming under sea water with bubbles
    Doctors adjusting oxygen mask while rushing the patient in emergency room at hospital — Stock Photo
    Doctors adjusting oxygen mask while rushing the patient in emergency room at hospital
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Side view of mature Caucasian male patient sleeping in bed while senior mixed-race male patient is sitting in wheelchair next to the window in the ward at hospital — Stock Photo
    Side view of mature Caucasian male patient sleeping in bed while senior mixed-race male patient is sitting in wheelchair next to the window in the ward at hospital
    Astrocyte glial nerve cell, digital illustration. — Stock Photo
    Astrocyte glial nerve cell, digital illustration.
    Side view of pretty mixed-race female patient using digital tablet in the ward at hospital. — Stock Photo
    Side view of pretty mixed-race female patient using digital tablet in the ward at hospital.
    Image of firefighter next to the water truck — Stock Photo
    Image of firefighter next to the water truck
    Side view of little boy with asthma using inhaler while sitting on sofa at home — Stock Photo
    Side view of little boy with asthma using inhaler while sitting on sofa at home
    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.
    Oxygen mask and tube on white background. — Stock Photo
    Oxygen mask and tube on white background.
    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
    Young female doctor with laptop checking up heartbeat of crop anonymous patient with heart rate monitor at desk in hospital during pandemic — Stock Photo
    Young female doctor with laptop checking up heartbeat of crop anonymous patient with heart rate monitor at desk in hospital during pandemic
    Medical team examining pregnant woman during delivery in operating room — Stock Photo
    Medical team examining pregnant woman during delivery in operating room
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    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
    Nurse putting oxygen mask on patient in hospital — Stock Photo
    Nurse putting oxygen mask on patient in hospital
    Using pulse oximeter at home to test oxygen level in blood. — Stock Photo
    Using pulse oximeter at home to test oxygen level in blood.
    Doctor comforting pregnant woman during labor at hospital — Stock Photo
    Doctor comforting pregnant woman during labor at 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
    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
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Paramedics examining patient in ambulance — Stock Photo
    Paramedics examining patient in ambulance
    Doctor and paramedics examining a patient in emergency room at hospital — Stock Photo
    Doctor and paramedics examining a patient in emergency room at 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
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street