title: Automated microbiological assay. I. Experiences in assaying ampicillin and carbenicillin.
mesh_terms: D000667:Ampicillin / Q000032:analysis*; D001322:Autoanalysis; D001681:Biological Assay; D004926:Escherichia coli; D008722:Methods; D010406:Penicillins / Q000032:analysis*
chemical_list: D010406:Penicillins; D000667:Ampicillin