TY - JOUR AU - Dettori, J R; Koepsell, T D; Cummings, P TI - Erectile dysfunction after a long-distance cycling event: associations with bicycle characteristics JO - J Urol VL - 172 PY - 2004 DO - 10.1097/01.ju.0000130749.37731.9f SP - 637 EP - 641 N1 - et al. ER -