McCall-Hosenfeld JS, Jaramillo SA, Legault C, Freund KM, Cochrane BB, Manson JE, Wenger NK, Eaton CB, Rodriguez BL, McNeeley SG, Bonds D. Correlates of sexual satisfaction among sexually active postmenopausal women in the Women's Health Initiative-Observational Study. J Gen Intern Med. 2008 Dec; 23(12):2000-9.