title: Oral versus intravenous antibiotics. Exclusion of sickest patients invalidates study.
authors.forename: P
authors.initials: P
authors.lastname: Tsang
mesh_terms: D000284:Administration, Oral; D000900:Anti-Bacterial Agents / Q000008:administration & dosage*; D006801:Humans; D007262:Infusions, Intravenous; D011014:Pneumonia / Q000188:drug therapy*; D012107:Research Design
chemical_list: D000900:Anti-Bacterial Agents