AU - Bechtol CO TI - ENvironmental bacteriology in the unidirectional (vertical) operating room PT - JOUR DP - 1979 TA - Archives of Surgery pages = {784-788}, VI - 114 IP - 7 AID - 10.1001/archsurg.1979.01370310026006 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.1979.01370310026006 SO - Archives of Surgery July 1, 1979 114(7):784