title: [Problems with defaulting in multipractice investigations].
mesh_terms: D002986:Clinical Trials as Topic; D003299:Cooperative Behavior; D003718:Denmark; D004311:Double-Blind Method; D006801:Humans; D010821:Physicians, Family; D011795:Surveys and Questionnaires
vernacular_title: Frafaldsproblemer i multipraksisundersøgelser.