OGER S, BEHR-ROUSSEL D, GORNY D, LECOZ O, LEBRET T, DENOUX Y, FAIX A, LERICHE A, WAYMAN C, ALEXANDRE L, GIULIANO F.

Combination of doxazosin and sildenafil exerts an additive relaxing effect compared with each compound alone on human cavernosal and prostatic tissue
J Sex Med – 2009 : 6(3):836-47