Number and size of randomized trials reported in general health care journals from 1948 to 1997

International Journal of Epidemiology

Volumn 31, Issue 1, 2002, Pages 125-127

  McDonald, Steve ^a,b,c   Westby, Margaret ^a   Clarke, Mike ^a   Lefebvre, Carol ^a   Antes, Gerd ^d   Bonfill, Xavier ^e   Davidoff, Frank ^f   Gotzsche, Peter ^g   Haugh, Margaret ^h   Loep, Marjan ⁱ   Middleton, Philippa ^j   Pienaar, Elizabeth ^k   Pistotti, Vanna ^l  

^a UK COCHRANE CENTRE   (United Kingdom)

^b MONASH MEDICAL CENTRE   (Australia)

^c MONASH UNIVERSITY   (Australia)

^d German Cochrane Centre   (Germany)

^e Iberoamerican Cochrane Centre   (Spain)

^f Annals of Internal Medicine   (United States)

^g Nordic Cochrane Centre   (Denmark)

^h French Cochrane Centre   (France)

ⁱ Dutch Cochrane Centre   (Netherlands)

^j Australasian Cochrane Centre   (Australia)

^k South African Cochrane Centre   (South Africa)

^l Italian Cochrane Centre   (Italy)

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Author keywords

Periodicals; Randomized controlled trials

Indexed keywords

ACADEMIC RESEARCH; EPIDEMIOLOGY; HEALTH CARE; LITERATURE REVIEW;

ARTICLE; CLINICAL RESEARCH; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; HEALTH CARE; HUMAN; MEDICAL LITERATURE; POPULATION SIZE; PRIORITY JOURNAL; RANDOMIZED CONTROLLED TRIAL; STATISTICAL ANALYSIS; TREATMENT OUTCOME;

EID: 0036205344     PISSN: 03005771     EISSN: None     Source Type: Journal    
DOI: 10.1093/ije/31.1.125     Document Type: Article

References (8)

1. Streptomycin treatment for pulmonary tuberculosis
2. Controlled trials from history
3. Controlled trials: The 1948 watershed
4. Preparing, maintaining and disseminating systematic reviews of the effects of health care
5. Identifying randomised trials
6. The assessment of the British vaccine against poliomyelitis
7. Content and quality of 2000 controlled trials in schizophrenia over 50 years