title: Mutant strains of Escherichia coli unable to synthesize p-aminobenzoic acid.
authors.forename: J O
authors.initials: JO
authors.lastname: LAMPEN
authors.forename: M J
authors.initials: MJ
authors.lastname: JONES
authors.forename: R R
authors.initials: RR
authors.lastname: ROEPKE
mesh_terms: D010129:4-Aminobenzoic Acid; D004926:Escherichia coli
chemical_list: D010129:4-Aminobenzoic Acid
keywords: ACID/p-aminobenzoic; BACTERIA/coli