[The principles, planning and realization of a clinical trial].
Uhari
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Oulun yliopiston lastentautien klinikka.
D015982:Bias; D016001:Confidence Intervals; D006801:Humans; D011785:Quality Assurance, Health Care; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000706:statistics & numerical data