Bond JC, Geller RJ, White KO, Hatch EE, Rothman KJ, Wise LA. Concordance of self-reported sexual intercourse frequency between members of mixed-sex couples attempting conception. Can J Hum Sex. 2022 Dec;31(3):342-53. doi: 10.3138/cjhs.2021-0059
Haque R, Shi JM, Telford C, Avila C, Alvarado M, Tiller GE, Dalvi T, Gutierrez L, Tyczynski J, Kaye JA. Survival outcomes in BRCA1 or BRCA2 mutation carriers and the influence of triple-negative breast cancer subtype. Perm J. 2018 Oct 11;22:17-197. doi: 10.7812/TPP/17-197
Gold R, Esterberg E, Hollombe C, Arkind J, Vakarcs PA, Tran H, Burdick T, Devoe JE, Horberg MA. Low back imaging when not indicated: a descriptive cross-system analysis. Perm J. 2016;20(2):25-33. doi: 10.7812/TPP/15-08