TY - JOUR AU - Deyoung, L; Chung, E; Kovac, J R TI - Daily use of sildenafil improves endothelial function in men with type 2 diabetes JO - J Androl VL - 33 PY - 2012 DO - 10.2164/jandrol.111.013367 SP - 176 EP - 180 N1 - et al. ER -