RT Journal Article SR Electronic T1 Historic operating room a monument to the advent of antisepsis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 193 OP 194 DO 10.1503/cmaj.071637 VO 178 IS 2 A1 Danda Humphreys RN YR 2008 UL http://www.cmaj.ca/content/178/2/193.abstract