Clinical trials: a summary.
Wilhelmsen
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Section of Preventive Cardiology, The Cardiovascular Institute, Göteborg University, Drakegatan 6, SE-412 50 Göteborg, Sweden. lars.wilhelmsen@scri.se
Held
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P
Wedel
H
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D006801:Humans; D017410:Practice Guidelines as Topic; D011643:Publishing / Q000639:trends; D016032:Randomized Controlled Trials as Topic / Q000379:methods / Q000592:standards; D012107:Research Design; D018401:Sample Size; D013223:Statistics as Topic / Q000379:methods