Danoff, Dudley Seth. The ultimate guide to male sexual health : how to stay vital at any age. - 2nd ed. - Hillsboro, Oregon : Beyond Words, 2017. - xiv, 229 pages : illustrations ; 23 cm Includes bibliographical references (pages 209-212) and index. ISBN: 9781582706597 Subjects--Topical Terms: Penis. Masculinity. Impotence Dewey Class. No.: 612.6 D18u 2017