title: Reporting clinical trials: why one plus one does not equal two.
authors.forename: Kenneth A
authors.initials: KA
authors.lastname: Katz
authors.forename: Clara Y
authors.initials: CY
authors.lastname: Kim
authors.forename: Hywel C
authors.initials: HC
authors.lastname: Williams
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D003627:Data Interpretation, Statistical; D006801:Humans; D011643:Publishing / Q000592:standards*; D016032:Randomized Controlled Trials as Topic