Methodological problems of clinical trials in nursing illustrated by a study of post-partum care.
D000328:Adult; D002986:Clinical Trials as Topic; D003625:Data Collection / Q000379:methods; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D010351:Patient Discharge; D011181:Postnatal Care / Q000592:standards*; D011247:Pregnancy; D011897:Random Allocation; D012107:Research Design