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. 2009 Jan 20;2009(1):CD006972. doi: 10.1002/14651858.CD006972.pub2
Search terms
Unless otherwise stated, search terms were free text terms; exp = exploded MeSH: Medical Subject Heading (Medline medical index term); the dollar sign ($) stands for any character(s); the question mark (?) = substitute for one or no characters; ab = abstract; ti = titel; ot = original titel; pt = publication type; sh = MeSH: Medical subject heading (MEDLINE medical index term); adj = adjacency. 
 
 1.exp Congenital Hypothyroidism/ 
 2.(congenital adj3 (myx?edema$ or hypothyroidism$)).tw,ot. 
 3.1 or 2 
 
 4.Randomized Controlled Trial.pt. 
 5.Controlled Clinical Trial.pt. 
 6.Randomized Controlled Trials.sh. 
 7.Random Allocation.sh. 
 8.Double‐Blind Method.sh. 
 9.Single‐Blind Method.sh. 
 10.or/4‐9 
 11.clinical trial.pt. 
 12.Clinical Trials.sh. 
 13.(clinic$ adj25 trial$).tw,kf,ot. 
 14.((singl$ or doubl$ or trebl$ or tripl$) adj (mask$ or blind$)).tw,kf,ot. 
 15.Placebos.sh. 
 16.placebo$.tw,kf,ot. 
 17.random$.tw,kf,ot. 
 18.Research Design.sh. 
 19.(latin adj square).tw,kf,ot. 
 20.or/11‐19 
 21.comparative study.pt. 
 22.Evaluation Studies.sh. 
 23.Follow‐up Studies.sh. 
 24.Prospective Studies.sh. 
 25.(control$ or prospectiv$ or volunteer$).tw,kf,ot. 
 26.Cross‐Over Studies.sh. 
 27.or/21‐26 
 28.10 or 20 or 27 
 29.limit 28 to animals 
 30.limit 28 to humans 
 31.29 not 30 
 32.28 not 31 
 
 33.exp "Review Literature"/ 
 34.exp Technology Assessment, Biomedical/ 
 35.exp Meta‐Analysis/ 
 36.meta‐analysis.pt. 
 37.((review$ or search$) adj10 (literature or medical database$ or medline or pubmed or 
 embase or cochrane or cinhal or psychinfo or psychlit or healthstar or biosis or current 
 content$ or systemat$)).tw,kf,ot. 
 38.hta.tw,kf,ot. 
 39.(health technology adj6 assessment$).tw,kf,ot. 
 40.(meta analy$ or metaanly$ or meta?analy$).tw,kf,ot. 
 41.or/33‐40 
 42.32 or 41 
 
 43.3 and 42