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    Cheerful child breathing in oxygen mask during inhalation and playing with soft toy on couch at home — Stock Photo
    Cheerful child breathing in oxygen mask during inhalation and playing with soft toy on couch at home
    Cancer cells with blood vessel formation — Stock Photo
    Cancer cells with blood vessel formation
    Construction of plastic tubes and tools for treating animals in operating room of veterinary clinic — Stock Photo
    Construction of plastic tubes and tools for treating animals in operating room of veterinary clinic
    Adult man picking mushrooms, summer in the forest — Stock Photo
    Adult man picking mushrooms, summer in the forest
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Astrocyte glial nerve cell, digital illustration. — Stock Photo
    Astrocyte glial nerve cell, digital illustration.
    Doctor hand putting oxygen mask on patient in hospital — Stock Photo
    Doctor hand putting oxygen mask on patient in hospital
    From above content sick boy using respirator and breathing oxygen from inhaler while lying down on sofa at home — Stock Photo
    From above content sick boy using respirator and breathing oxygen from inhaler while lying down on sofa at home
    Doctor practicing bag-valve-mask ventilation on training dummy. — Stock Photo
    Doctor practicing bag-valve-mask ventilation on training dummy.
    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
    Female doctor putting oxygen mask on patient face in the hospital — Stock Photo
    Female doctor putting oxygen mask on patient face in the hospital
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Front view of mixed race female doctor in hijab consoling mature mixed race female patient in the ward at hospital. — Stock Photo
    Front view of mixed race female doctor in hijab consoling mature mixed race female patient in the ward at hospital.
    Cardiovascular system transporting nutrients and oxygen — Stock Photo
    Cardiovascular system transporting nutrients and oxygen
    Senior woman sleeping with nasal cannula. — Stock Photo
    Senior woman sleeping with nasal cannula.
    Young woman with resuscitation mask and male hand. — Stock Photo
    Young woman with resuscitation mask and male hand.
    Surgeons adjusting oxygen mask on patient in operation theater of hospital — Stock Photo
    Surgeons adjusting oxygen mask on patient in operation theater of hospital
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    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
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    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
    Man Standing Contempling Mountain Landscape. Argentina — Stock Photo
    Man Standing Contempling Mountain Landscape. Argentina
    Side view of mature mixed-race female patient sleeping in bed in the ward at hospital — Stock Photo
    Side view of mature mixed-race female patient sleeping in bed in the ward at hospital
    Oxygen pressure gauge on cylinder of medical oxygen. — Stock Photo
    Oxygen pressure gauge on cylinder of medical oxygen.
    Senior woman with nasal cannula with eyes closed, close-up. — Stock Photo
    Senior woman with nasal cannula with eyes closed, close-up.
    Close up of rapids in a mountain river with long exposure effect — Stock Photo
    Close up of rapids in a mountain river with long exposure effect
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    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
    3d illustration of red blood cells erythrocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes.
    Coloured scanning electron micrograph (SEM) Chicken eggshell surface (Gallus gallus domesticus). — Stock Photo
    Coloured scanning electron micrograph (SEM) Chicken eggshell surface (Gallus gallus domesticus).
    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 patient lying in operation room at hospital — Stock Photo
    Close-up of patient lying in operation room at hospital
    Male patient with nasal cannula, portrait. — Stock Photo
    Male patient with nasal cannula, portrait.
    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
    Surgeons adjusting oxygen mask on patient in operation theater of hospital — Stock Photo
    Surgeons adjusting oxygen mask on patient in operation theater of 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
    Front view of beautiful mixed-race female doctor in hijab checking mixed-race female patient temperature with hand in the ward at hospital. — Stock Photo
    Front view of beautiful mixed-race female doctor in hijab checking mixed-race female patient temperature with hand in the ward at hospital.
    Doctor and paramedics examining a patient in emergency room at hospital — Stock Photo
    Doctor and paramedics examining a patient in emergency room at 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
    Scenic view of female scuba diver swimming under water — Stock Photo
    Scenic view of female scuba diver swimming under water
    Paramedics examining injured boy on street — Stock Photo
    Paramedics examining injured boy on street
    Doctor holding mask over patient's mouth and doctor controlling IV drip in intensive care unit — Stock Photo
    Doctor holding mask over patient's mouth and doctor controlling IV drip in intensive care unit
    Female doctor wearing mask while anesthetizing elderly patient in surgery — Stock Photo
    Female doctor wearing mask while anesthetizing elderly patient in surgery
    Scuba diver swimming under water with cute turtle — Stock Photo
    Scuba diver swimming under water with cute turtle
    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.
    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
    Doctor and paramedics examining a patient in emergency room at hospital — Stock Photo
    Doctor and paramedics examining a patient in emergency room at hospital
    Oxygen mask and tube on white background. — Stock Photo
    Oxygen mask and tube on white background.
    Overview of diverse doctors interacting with patients in the ward at hospital — Stock Photo
    Overview of diverse doctors interacting with patients in the ward at hospital
    Close-up of plugs in wall in animal hospital — Stock Photo
    Close-up of plugs in wall in animal hospital
    Hand of female doctor putting oxygen mask on patient face in the hospital — Stock Photo
    Hand of female doctor putting oxygen mask on patient face in the hospital
    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
    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
    Boy home schooling with a medical mask on to protect from a virus — Stock Photo
    Boy home schooling with a medical mask on to protect from a virus
    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
    Anesthesiologist holding oxygen mask over patient during surgery — Stock Photo
    Anesthesiologist holding oxygen mask over patient during surgery
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Blood oxygen monitor on finger of patient in intensive care ward, close-up. — Stock Photo
    Blood oxygen monitor on finger of patient in intensive care ward, close-up.
    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