title: Choosing between randomised and non-randomised studies: a systematic review.
authors.affiliation: London School of Hygiene and Tropical Medicine, University of London, UK.
authors.forename: A
authors.initials: A
authors.lastname: Britton
authors.forename: M
authors.initials: M
authors.lastname: McKee
authors.forename: N
authors.initials: N
authors.lastname: Black
authors.forename: K
authors.initials: K
authors.lastname: McPherson
authors.forename: C
authors.initials: C
authors.lastname: Sanderson
authors.forename: C
authors.initials: C
authors.lastname: Bain
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015906:Angioplasty, Balloon, Coronary / Q000401:mortality; D002121:Calcium Channel Blockers / Q000009:adverse effects; D002561:Cerebrovascular Disorders / Q000401:mortality; D002986:Clinical Trials as Topic; D001026:Coronary Artery Bypass / Q000401:mortality; D003325:Coronary Care Units / Q000706:statistics & numerical data; D016206:Databases, Bibliographic; D004608:Eligibility Determination; D005260:Female; D006801:Humans; D016247:Information Storage and Retrieval; D016239:MEDLINE; D008288:Malaria / Q000517:prevention & control; D017780:Malaria Vaccines / Q000627:therapeutic use; D008297:Male; D015233:Models, Statistical; D010358:Patient Participation; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D018570:Risk Assessment; D015996:Survival Rate; D014481:United States
chemical_list: D002121:Calcium Channel Blockers; D017780:Malaria Vaccines