title: Inconstancy of "constantly" infused penicillin.
mesh_terms: D001412:Bacillus subtilis; D001681:Biological Assay; D006801:Humans; D007239:Infections / Q000188:drug therapy; D007275:Injections, Intravenous; D008722:Methods; D010406:Penicillins / Q000008:administration & dosage* / Q000097:blood
chemical_list: D010406:Penicillins