title: Modern drug treatment and potential hazards to health.
mesh_terms: D000367:Age Factors; D000368:Aged; D004342:Drug Hypersensitivity; D004358:Drug Therapy; D006509:Hepatitis B / Q000209:etiology; D006801:Humans; D007267:Injections / Q000009:adverse effects; D007275:Injections, Intravenous