Optimal search strategies for retrieving scientifically strong studies of treatment from Medline: analytical survey
BMJ (2005) - Comments
doi: 10.1136/bmj.38446.498542.8f  issn: 0959-8138  issn: 1468-5833  pubmed: 15894554  issn: 1756-1833 

R Brian Haynes, K Ann McKibbon, Nancy L Wilczynski, Stephen D Walter, Stephen R Werre,