Ключевые слова: analgesic, anesthesia, atom, atomic, atoms, background, cancer, chemical, chemistry, compound, dependence, design, drug, fluid, formula, gradient, hydrogen, illustration, isolated, layout, line, liquid, medicine, modern, molecular, molecule, morfin, morphin, morphine, morphine hydrochloride, morphine sulfate, morphini, morphinum, myocardial infarction, nitrogen, oncology, opioid, opium, overdose, oxygen, papaver somniferum, poppy, poster, science, skeletal, structural formula, structure, treatment,