Ключевые слова: aid, arm, blood, care, charity, clinic, concept, dna, doctor, donate, donating, donation, donor, drug, equipment, fist, give, giving, hand, handflexor, healing, health, health care, healthcare, help, hospital, injecting, injection, laboratory, male, medic, medical, medicine, needle, nurse, patient, receiving, sample, science, squeeze, sterile, syringe, test, transfusion, treatment, vaccination, vein, volunteer,