Ключевые слова: aid, anesthetic, black, blood, care, clinic, clinical, close up, color, concepts, disposable, doctor, donation, dose, drop, drug, elements, equipment, fear, glass, health, hospital, icon, illness, injection, instrument, isolated, laboratory, liquid, medical, medicine, narcotic, needle, object, pain, procedure, protection, red, research, science, sharp, single, surgery, syringe, test, therapy, treatment, vaccination, vaccine, veterinary,