title: [Search for transit difficulties in the epididymis for differential diagnosis of oligospermia].
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D004822:Epididymis / Q000503:physiopathology*; D006801:Humans; D008297:Male; D009845:Oligospermia / Q000175:diagnosis / Q000503:physiopathology*; D013079:Sperm Maturation; D013083:Sperm Transport; D013733:Testicular Diseases / Q000175:diagnosis / Q000473:pathology; D013737:Testis / Q000473:pathology