TY - GEN AU - BARBER,M TI - Penicillin-resistant and penicillin-dependent staphylococcal variants SN - 0022-1287 PY - 2003///0501 KW - Humans KW - Micrococcus KW - Penicillin Resistance KW - Penicillins KW - Staphylococcus N1 - Publication Type: Journal Article UR - https://doi.org/10.1099/00221287-8-1-111 ER -