Sleeping and waking-state measurement of erectile function in an aging male population
Psychological Assessment (1989) - Comment
doi: 10.1037/1040-3590.1.4.284  issn: 1939-134x  issn: 1040-3590 

Eva Libman, Catherine S. Fichten, Laura Creti, Nettie Weinstein, Rhonda Amsel, William Brender