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
Harris JR, Patel MK, Juliao PS, Suchdev PS, Ruth LJ, Were V, Ochieng C, Faith SH, Kola S, Otieno R, Sadumah I, Obure A, Quick R. Addressing inequities in access to health products through the use of social marketing, community mobilization, and local entrepreneurs in rural Western Kenya. J Popul Res. 2012;2012:470598. doi: 10.1155/2012/470598
Scotland GS, Philip S, Fleming AD, Goatman KA, Sharp PF, McNamee P, Fonseca S, Prescott G, Olson JA. Manual versus automated: the diabetic retinopathy screening debate. OTE. 2008 Jan 1;4(2):14-6.