TY - RPRT TI - Studying enzyme-beta-lactam interactions using X-ray diffraction. AU - J A Kelly AU - J R Knox AU - H Zhao PY - 1989 DO - 10.1016/s0263-7855(89)80005-0 UR - https://pubmed.ncbi.nlm.nih.gov/2488268/ ID - 2488268 ER -