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    Surgeon reaching for surgical scissors in operating room — Stock Photo
    Surgeon reaching for surgical scissors in operating room
    Paramedic giving oxygen to injured girl at accident spot — Stock Photo
    Paramedic giving oxygen to injured girl at accident spot
    Young woman with resuscitation mask and male hand. — Stock Photo
    Young woman with resuscitation mask and male hand.
    From above of crop medical specialist using pulse oximeter sensor while examining kid in hospital — Stock Photo
    From above of crop medical specialist using pulse oximeter sensor while examining kid in hospital
    Overhead view of a hand with a pulse oximeter on the finger. — Stock Photo
    Overhead view of a hand with a pulse oximeter on the finger.
    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
    Content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home — Stock Photo
    Content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home
    Front view of Caucasian male patient sleeping in bed in the ward at hospital — Stock Photo
    Front view of Caucasian male patient sleeping in bed 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.
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Scenic view of female scuba diver swimming under water with fishes — Stock Photo
    Scenic view of female scuba diver swimming under water with fishes
    Underwater view of diver wearing wetsuit, diving goggles and oxygen cylinder, air bubbles rising. — Stock Photo
    Underwater view of diver wearing wetsuit, diving goggles and oxygen cylinder, air bubbles rising.
    Astrocyte glial nerve cell, digital illustration. — Stock Photo
    Astrocyte glial nerve cell, digital illustration.
    Female nurse holding oxygen mask over male patient's mouth in intensive care unit — Stock Photo
    Female nurse holding oxygen mask over male patient's mouth in intensive care unit
    Doctors examining senior patient with stethoscope in hospital bed — Stock Photo
    Doctors examining senior patient with stethoscope in hospital bed
    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.
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Close up of doctor wearing surgical gloves, holding oxygen mask over patient in operating theater — Stock Photo
    Close up of doctor wearing surgical gloves, holding oxygen mask over patient in operating theater
    Senior woman sleeping with nasal cannula and nurse in background, close-up. — Stock Photo
    Senior woman sleeping with nasal cannula and nurse in background, close-up.
    Nurse giving oxygen to newborn baby. — Stock Photo
    Nurse giving oxygen to newborn baby.
    Doctor holding oxygen mask over patient, male doctor adjusting IV drip — Stock Photo
    Doctor holding oxygen mask over patient, male doctor adjusting IV drip
    Front view of diverse doctors interacting with patients in the ward at hospital — Stock Photo
    Front view of diverse doctors interacting with patients in the ward at hospital
    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Adult man picking mushrooms, summer in the forest — Stock Photo
    Adult man picking mushrooms, summer in the forest
    Two doctors preparing elderly patient before medical procedure — Stock Photo
    Two doctors preparing elderly patient before medical procedure
    Crop unrecognizable 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
    Crop unrecognizable loving mother with infrared thermometer measuring temperature of boy breathing in oxygen mask during inhalation procedure and watching cartoon on tablet at home
    Little kid using inhaler in clinic during check up — Stock Photo
    Little kid using inhaler in clinic during check up
    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.
    Blood oxygen monitor on finger of patient in intensive care ward. — Stock Photo
    Blood oxygen monitor on finger of patient in intensive care ward.
    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
    Vicuna (Vicugna vicugna) in the Altiplano of Argentina near Tolar Grande. — Stock Photo
    Vicuna (Vicugna vicugna) in the Altiplano of Argentina near Tolar Grande.
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Measuring oxygen levels in blood with pulse oximeter. — Stock Photo
    Measuring oxygen levels in blood with pulse oximeter.
    Volcano in clouds and tree silhouettes — Stock Photo
    Volcano in clouds and tree silhouettes
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home — Stock Photo
    Content sick boy using respirator and breathing oxygen from inhaler while sitting on sofa at home
    Group of surgeons performing operation in operation theater of hospital — Stock Photo
    Group of surgeons performing operation in operation theater of hospital
    Anesthesiologist holding oxygen mask over patients face in operating room — Stock Photo
    Anesthesiologist holding oxygen mask over patients face in operating room
    Team of doctors putting oxygen mask on patient face in the hospital — Stock Photo
    Team of doctors putting oxygen mask on patient face in the hospital
    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
    Doctors pushing emergency stretcher bed in corridor at hospital — Stock Photo
    Doctors pushing emergency stretcher bed in corridor 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
    Little kid using inhaler in clinic during check up — Stock Photo
    Little kid using inhaler in clinic during check up
    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
    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.
    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
    Paramedic giving oxygen to injured woman at accident spot — Stock Photo
    Paramedic giving oxygen to injured woman at accident spot
    Big white clouds floating on azure sky — Stock Photo
    Big white clouds floating on azure sky
    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
    Ward boy pushing senior patient on stretcher in hospital corridor — Stock Photo
    Ward boy pushing senior patient on stretcher in hospital corridor
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    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.
    Scuba diver at the Three Amigos Dive Site, Belize Barrier Reef; Belize — Stock Photo
    Scuba diver at the Three Amigos Dive Site, Belize Barrier Reef; Belize
    Scuba divers at Secret Spot Dive Site, Belize Barrier Reef, Turneffe Atoll; Belize — Stock Photo
    Scuba divers at Secret Spot Dive Site, Belize Barrier Reef, Turneffe Atoll; Belize
    Crop unrecognizable female vet with coworker in uniform standing at medical table with cat and tools during surgery — Stock Photo
    Crop unrecognizable female vet with coworker in uniform standing at medical table with cat and tools during surgery
    Female doctor putting oxygen mask on patient face in the hospital — Stock Photo
    Female doctor putting oxygen mask on patient face in the hospital
    Front view of beautiful mixed race female doctor in hijab giving medicine to mature mixed-race female patient in the ward at hospital — Stock Photo
    Front view of beautiful mixed race female doctor in hijab giving medicine to mature mixed-race female patient in the ward at hospital
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Hands of doctor placing oxygen mask on a pregnant woman face in operating room — Stock Photo
    Hands of doctor placing oxygen mask on a pregnant woman face in operating room
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation