Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study (Q37444348)
scientific article published on April 1999
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Current Data About Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study
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M R Vickers
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J A Cooper
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T W Meade
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description scientific article published on April 1999

External Links
(P356) 10.1136/BMJ.318.7191.1114
(P698) 10213724
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(P5875) 13084088
(P8608) release_nrswhhbosjb6zemoqj523kom7y