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    Doctor preparing young girl for x-ray in hospital. — Stock Photo
    Doctor preparing young girl for x-ray in hospital.
    Doctor using x-ray machine with female patient lying down. — Stock Photo
    Doctor using x-ray machine with female patient lying down.
    Sonographer performing ultrasound on girl leg. — Stock Photo
    Sonographer performing ultrasound on girl leg.
    Close-up of person holding petri dish for microbiology research. — Stock Photo
    Close-up of person holding petri dish for microbiology research.
    Chemist setting up vacuum pump in pharmaceutical laboratory. — Stock Photo
    Chemist setting up vacuum pump in pharmaceutical laboratory.
    Researcher hand holding vacutainer tube in front of yellow tray. — Stock Photo
    Researcher hand holding vacutainer tube in front of yellow tray.
    Sonographer performing ultrasound on female patient. — Stock Photo
    Sonographer performing ultrasound on female patient.
    Young girl with teddy bear having x-ray examination. — Stock Photo
    Young girl with teddy bear having x-ray examination.
    Female chemist using equipment in pharmaceutical laboratory. — Stock Photo
    Female chemist using equipment in pharmaceutical laboratory.
    Chemist in protective glasses holding sample in pharmaceutical laboratory. — Stock Photo
    Chemist in protective glasses holding sample in pharmaceutical laboratory.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Chemist holding vial in pharmaceutical laboratory. — Stock Photo
    Chemist holding vial in pharmaceutical laboratory.
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Doctor preparing x-ray machine with child patient in hospital. — Stock Photo
    Doctor preparing x-ray machine with child patient in hospital.
    Close-up of scientist pipetting liquid into multiwell tray. — Stock Photo
    Close-up of scientist pipetting liquid into multiwell tray.
    Sonographer performing ultrasound on child leg, close-up. — Stock Photo
    Sonographer performing ultrasound on child leg, close-up.
    Male scientist doing medical testing of sample under microscope. — Stock Photo
    Male scientist doing medical testing of sample under microscope.
    Sonographer performing ultrasound on female patient. — Stock Photo
    Sonographer performing ultrasound on female patient.
    Doctor using x-ray machine with female patient lying down. — Stock Photo
    Doctor using x-ray machine with female patient lying down.
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Girl holding teddy and waiting for x-ray therapy on bed. — Stock Photo
    Girl holding teddy and waiting for x-ray therapy on bed.
    Chemist setting up vacuum pump in pharmaceutical laboratory. — Stock Photo
    Chemist setting up vacuum pump in pharmaceutical laboratory.
    Female doctor examining male chest with x-ray. — Stock Photo
    Female doctor examining male chest with x-ray.
    Doctor hands holding x-ray of human pelvis. — Stock Photo
    Doctor hands holding x-ray of human pelvis.
    Sonographer making notes with female patient. — Stock Photo
    Sonographer making notes with female patient.
    Female doctor examining male chest with x-ray. — Stock Photo
    Female doctor examining male chest with x-ray.
    Sonographer performing ultrasound on female patient. — Stock Photo
    Sonographer performing ultrasound on female patient.
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Female chemist setting up equipment in laboratory. — Stock Photo
    Female chemist setting up equipment in laboratory.
    Doctor adjusting female patient neck before x-ray. — Stock Photo
    Doctor adjusting female patient neck before x-ray.
    Boy playing with stethoscope and stuffed monkey. — Stock Photo
    Boy playing with stethoscope and stuffed monkey.
    Chemist using nuclear magnetic resonance spectrometer in pharmaceutical laboratory. — Stock Photo
    Chemist using nuclear magnetic resonance spectrometer in pharmaceutical laboratory.
    Close-up of multiple test stick being placed into urine sample tube by female doctor. — Stock Photo
    Close-up of multiple test stick being placed into urine sample tube by female doctor.
    Doctor preparing young girl for x-ray in hospital. — Stock Photo
    Doctor preparing young girl for x-ray in hospital.
    Female doctor examining male chest with x-ray. — Stock Photo
    Female doctor examining male chest with x-ray.
    Close-up of hand in glove using multichannel pipette. — Stock Photo
    Close-up of hand in glove using multichannel pipette.
    Smiling nurse with stethoscope sitting with boy. — Stock Photo
    Smiling nurse with stethoscope sitting with boy.
    Female researcher studying DNA autoradiogram. — Stock Photo
    Female researcher studying DNA autoradiogram.
    X-ray machine with female patient lying down. — Stock Photo
    X-ray machine with female patient lying down.
    Male laboratory assistant using mini centrifuge. — Stock Photo
    Male laboratory assistant using mini centrifuge.
    Boy using breathing equipment. — Stock Photo
    Boy using breathing equipment.
    Female laboratory assistant using tap. — Stock Photo
    Female laboratory assistant using tap.
    Boy using breathing equipment. — Stock Photo
    Boy using breathing equipment.
    Male laboratory assistant using mini centrifuge. — Stock Photo
    Male laboratory assistant using mini centrifuge.
    Close-up of hand in glove using equipment in laboratory. — Stock Photo
    Close-up of hand in glove using equipment in laboratory.
    Male laboratory assistant using equipment. — Stock Photo
    Male laboratory assistant using equipment.
    Close-up of hand adjusting tap on burette tube in pharmaceutical laboratory. — Stock Photo
    Close-up of hand adjusting tap on burette tube in pharmaceutical laboratory.
    Female doctor examining male chest with x-ray. — Stock Photo
    Female doctor examining male chest with x-ray.
    Doctor preparing x-ray machine for girl in hospital. — Stock Photo
    Doctor preparing x-ray machine for girl in hospital.
    Close-up of scientist pipetting liquid into multiwell tray. — Stock Photo
    Close-up of scientist pipetting liquid into multiwell tray.
    Male scientist in protective clothing working in laboratory. — Stock Photo
    Male scientist in protective clothing working in laboratory.
    Chemist hand setting up bottle in vacuum pump in laboratory. — Stock Photo
    Chemist hand setting up bottle in vacuum pump in laboratory.
    Male scientist in protective clothing working in laboratory. — Stock Photo
    Male scientist in protective clothing working in laboratory.
    Scientist holding chemical flask and using pipette. — Stock Photo
    Scientist holding chemical flask and using pipette.
    Lab assistant using multi pipette and multiwell. — Stock Photo
    Lab assistant using multi pipette and multiwell.
    Laboratory assistant using electronic pipette. — Stock Photo
    Laboratory assistant using electronic pipette.
    Female chemist setting up vacuum pump in laboratory, close-up — Stock Photo
    Female chemist setting up vacuum pump in laboratory, close-up
    Boy playing with stethoscope and stuffed monkey. — Stock Photo
    Boy playing with stethoscope and stuffed monkey.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Boy playing with stethoscope and stuffed monkey. — Stock Photo
    Boy playing with stethoscope and stuffed monkey.