title: Characteristics of volunteers, nonvolunteers, and no shows in a clinical follow-up.
mesh_terms: D000328:Adult; D001007:Anxiety; D001290:Attitude; D005260:Female; D006801:Humans; D008297:Male; D010551:Personality; D010555:Personality Inventory; D012106:Research; D012649:Self Concept; D012737:Sex Factors; D012917:Social Adjustment