title: Clinical trial in nephrology at hard end point?
authors.forename: Dick
authors.initials: D
authors.lastname: de Zeeuw
authors.forename: Pieter A
authors.initials: PA
authors.lastname: de Graeff
mesh_terms: D002986:Clinical Trials as Topic / Q000191:economics / Q000592:standards*; D006801:Humans; D007674:Kidney Diseases / Q000188:drug therapy*; D009398:Nephrology