title: Multi-method studies in health services research.
authors.forename: Andrew
authors.initials: A
authors.lastname: Georgiou
authors.forename: Johanna I
authors.initials: JI
authors.lastname: Westbrook
authors.forename: Joanne
authors.initials: J
authors.lastname: Callen
mesh_terms: D006302:Health Services Research / Q000379:methods*; D006801:Humans; D009517:New South Wales; D017594:Publication Bias; D036301:Qualitative Research