title: Letter: Why not use topical penicillin?
mesh_terms: D000287:Administration, Topical; D004342:Drug Hypersensitivity / Q000517:prevention & control*; D006801:Humans; D007231:Infant, Newborn; D009878:Ophthalmia Neonatorum / Q000517:prevention & control*; D010406:Penicillins / Q000008:administration & dosage*
chemical_list: D010406:Penicillins