title: [Criteria of sample recruiting in qualitative research].
authors.affiliation: Klinik für Psychosomatische Medizin und Psychotherapie, Medizinische Fakultät der Otto-von-Guericke-Universität Magdeburg. koehler@med.ovgu.de
authors.forename: Katharina
authors.initials: K
authors.lastname: Köhler
authors.forename: Jörg
authors.initials: J
authors.lastname: Frommer
mesh_terms: D003625:Data Collection; D003627:Data Interpretation, Statistical; D006801:Humans; D018579:Patient Selection; D011611:Psychosomatic Medicine / Q000639:trends*; D036301:Qualitative Research; D012107:Research Design; D018401:Sample Size; D012494:Sampling Studies