Yopp JM, Deal AM, Nakamura ZM, Park EM, Edwards T, Wilson DR, Biesecker B, Rosenstein DL. Psychological and parental functioning of widowed fathers: the first two years. J Fam Psychol. 2019 Aug;33(5):565-74. doi: 10.1037/fam0000528
Cain VS, Johannes CB, Avis NE, Mohr B, Schocken M, Skurnick J, Ory M. Sexual functioning and practices in a multi-ethnic study of midlife women: baseline results from SWAN. J Sex Res. 2003 Aug 1;40(3):266-76.