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
Yande SD, Masurkar PP, Gopinathan S, S Sansgiry S. A naturalistic observation study of medication counseling practices at retail chain pharmacies. Pharm Pract (Granada). 2020 Jan;18(1):1696. doi: 10.18549/PharmPract.2020.1.1696
Rothman KJ, Glass RL, Espinal F, Velez H. Caries-free teeth in the absence of fluoride ion. J Public Health Dent. 1972;32(4):225-8. doi: 10.1111/j.1752-7325.1972.tb03977.x