title: [Clinical study design].
authors: ahennemann@wissenschaftliche-verlagsgesellschaft.de
authors: A
authors: A
authors: Hennemann
mesh_terms: D002986:Clinical Trials as Topic; D015331:Cohort Studies; D018592:Cross-Over Studies; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design