Ключевые слова: analysis, arm, biochemistry, blood, care, cell, chemical, diagnostics, dna, doctor, draw, drawing, examination, experiment, fluid, hand, health, holding, hospital, illness, infection, inject, injection, investigation, liquid, medical, medicine, needle, nurse, patient, people, prick, research, sample, sampling, syringe, take, test, tester, tube, vein, vessel,