title: Controlled trials in children: quantity, methodological quality and descriptive characteristics of pediatric controlled trials published 1948-2006.
authors.affiliation: Cochrane Child Health Field, Department of Pediatrics, University of Alberta, Edmonton, Canada.
authors.forename: Denise
authors.initials: D
authors.lastname: Thomson
authors.forename: Lisa
authors.initials: L
authors.lastname: Hartling
authors.forename: Eyal
authors.initials: E
authors.lastname: Cohen
authors.forename: Ben
authors.initials: B
authors.lastname: Vandermeer
authors.forename: Lisa
authors.initials: L
authors.lastname: Tjosvold
authors.forename: Terry P
authors.initials: TP
authors.lastname: Klassen