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
Van Houtven G, Poulos C. Valuing welfare impacts of beach erosion: an application of the structural benefit transfer method. Am J Agric Econ. 2009 Dec 1;91(5):1343-50.
Xie J, Juliao PC, Gilsdorf JR, Ghosh D, Patel M, Marrs CF. Identification of new genetic regions more prevalent in nontypeable haemophilus influenzae otitis media strains than in throat strains. J Clin Microbiol. 2006 Dec;44(12):4316-25. doi: 10.1128/JCM.01331-06