Biochemistry One or Two Low Affinity Penicillin-binding Proteins May Be Responsible for the Range of Susceptibility of Enterococcus faecium to Benzylpenicillin RUSSELL WILLIAMSON, CHANTAL LE BOUGUÉNEC, LAURENT GUTMANN, THEA HORAUD p. 1933–1940 https://doi.org/10.1099/00221287-131-8-1933