RT Journal Article SR Electronic T1 Ignaz Semmelweis and the birth of infection control JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 233 OP 234 DO 10.1136/qshc.2004.010918 VO 13 IS 3 A1 M Best A1 D Neuhauser YR 2004 UL http://qualitysafety.bmj.com/content/13/3/233.abstract AB