title: On a retractile testis and an infantile umbilicus phobia.
mesh_terms: D000328:Adult; D004208:Displacement, Psychological; D006552:Hernia, Inguinal / Q000503:physiopathology / Q000523:psychology*; D006801:Humans; D008297:Male; D010698:Phobic Disorders / Q000523:psychology*; D013737:Testis / Q000503:physiopathology; D014472:Umbilicus