Ключевые слова: agent, analysis, blue, bottle, busy, chemical, clinic, closeup, desk, doctor, examine, feces, female, gloves, green, hands, hold, hospital, indoors, laboratory, medic, medical, medicine, nurse, one, overall, person, pipette, profession, professional, reagent, sample, several, specialist, table, test, tray, tube, urine, vial, white, woman, work,