title: What is a control group?
authors.forename: L
authors.initials: L
authors.lastname: Hartmann
mesh_terms: D002648:Child; D002986:Clinical Trials as Topic / Q000379:methods*; D003922:Diabetes Mellitus, Type 1 / Q000523:psychology / Q000628:therapy*; D006760:Hospitalization; D006801:Humans; D011575:Psychoanalytic Therapy; D012660:Semantics; D014956:Writing