title: Prescribing in Northern Ireland. Study No. 2: systematic anti-infectives.
mesh_terms: D000328:Adult; D000667:Ampicillin / Q000008:administration & dosage; D000900:Anti-Bacterial Agents / Q000008:administration & dosage* / Q000009:adverse effects; D002675:Child, Preschool; D004363:Drug Utilization; D005843:Geography; D006801:Humans; D009660:Northern Ireland; D009664:Norway; D012621:Seasons; D013548:Sweden
chemical_list: D000900:Anti-Bacterial Agents; D000667:Ampicillin