McInerney KA, Hahn KA, Hatch EE, Mikkelsen EM, Steiner AZ, Rothman KJ, Sorensen HT, Snerum TM, Wise LA. Lubricant use during intercourse and time-to-pregnancy: a prospective cohort study. BJOG. 2018 Nov;125(12):1541-8. doi: 10.1111/1471-0528.15218
Rodriguez A, Garcia-Esteban R, Basterretxea M, Lertxundi A, Rodriguez‐Bernal C, Iniguez C, Rodriguez‐Dehli C, Tardon A, Espada M, Sunyer J, Morales E. Associations of maternal circulating 25-hydroxyvitamin D3 concentration with pregnancy and birth outcomes. BJOG. 2015 Nov;122(12):1695-704. doi: 10.1111/1471-0528.13074
Lang K, Meyers JL, Korn JR, Lee S, Sikirica M, Crivera C, Dirani R, Menzin J. Medication adherence and hospitalization among patients with schizophrenia treated with antipsychotics. Psychiatr Serv. 2010 Dec 1;61(12):1239-47.
Pitchforth E, Watson V, Tucker J, Ryan M, van Teijlingen E, Farmer J, Ireland J, Thomson E, Kiger A, Bryers H. Models of intrapartum care and women's trade-offs in remote and rural Scotland: a mixed-methods study. BJOG. 2008 Apr;115(5):560-9. doi: 10.1111/j.1471-0528.2007.01516.x
Heintz E, Brodtkorb T, Nelson N, Levin LA. The long-term cost-effectiveness of fetal monitoring during labour: a comparison of cardiotocography complemented with ST analysis versus cardiotocography alone. BJOG. 2008;115(13):1676-87.
Clarkson TB, Anthony MS, Klein KP. Hormone replacement therapy and coronary artery atherosclerosis: the monkey model. BJOG. 1996 May;103(Suppl 13):53-7.