TY - RPRT TI - Microbial contamination associated with routine aseptic practice. AU - N A Klapes AU - V W Greene AU - A C Langholz PY - 1987 DO - 10.1016/0195-6701(87)90013-2 UR - https://pubmed.ncbi.nlm.nih.gov/2891760/ ID - 2891760 ER -