Ключевые слова: analysis, background, biochemistry, chemistry, clinic, closeup, container, diagnosis, discovery, disease, doctor, examine, expertise, female, glove, hand, health, holding, hospital, illness, infection, kidney, lab, laboratory, liquid, medical, medicine, microbial, microbiology, pee, person, piss, reagent, research, sample, science, scientific, sickness, solution, technology, test, treatment, urea, urinalysis, urine, urology, wearing, woman, yellow,