title: Practical considerations in conducting research in primary medical care.
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D002648:Child; D006801:Humans; D010033:Otitis Media / Q000188:drug therapy; D010290:Parents; D011320:Primary Health Care; D011368:Professional-Family Relations; D012106:Research
chemical_list: D000900:Anti-Bacterial Agents