title: Designing mental health studies: the case for experimental design.
mesh_terms: D003631:Day Care, Medical; D005069:Evaluation Studies as Topic; D006280:Health Workforce / Q000706:statistics & numerical data; D006760:Hospitalization; D006801:Humans; D001523:Mental Disorders / Q000628:therapy*; D012107:Research Design; D012494:Sampling Studies