RT Journal Article SR Electronic T1 On acquiring a socially transmitted discovery (STD) in Berlin—and Paris, and Prague JF Quality and Safety in Health Care JO Qual Saf Health Care FD BMJ Publishing Group Ltd SP 242 OP 243 DO 10.1136/qshc.2009.034983 VO 18 IS 4 A1 David P Stevens YR 2009 UL http://qualitysafety.bmj.com/content/18/4/242.abstract AB