Ключевые слова: addiction, administration, anaesthesia, analgesic, bottle, care, chemical, clinic, clinical, concept, controlled substances, cure, dose, drug, drugs, fentanyl, health, healthcare, illness, injection, inoculation, lab, laboratory, medic, medical, medication, medicine, narcotic, needle, opioid, opioid crisis, pain, painkiller, pharmaceutical, pharmacology, pharmacy, prescription, sedatives, synthetic, syringe, test, text, the opioid epidemic, therapeutic, treatment, tube, vial,