TY - RPRT TI - Horizontal flow operating room clean rooms. AU - J P Nelson AU - A R Glassburn AU - R D Talbott AU - J P McElhinney PY - 1973 DO - 10.3949/ccjm.40.4.191 UR - https://pubmed.ncbi.nlm.nih.gov/4764756/ ID - 4764756 ER -