Willis SK, Mathew HM, Wise LA, Hatch EE, Wesselink AK, Rothman KJ, Mahalingaiah S. Menstrual patterns and self-reported hirsutism as assessed via the modified Ferriman-Gallwey scale: a cross-sectional study. Eur J Obstet Gynecol Reprod Biol. 2020 May 1;248:137-43. doi: 10.1016/j.ejogrb.2020.03.012
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Rodríguez-Mías NL, Martínez-Franco E, Aguado J, Sánchez E, Amat-Tardiu L. Pelvic organ prolapse and stress urinary incontinence, do they share the same risk factors? Eur J Obstet Gynecol Reprod Biol. 2015 Jul;190:52-7. doi: 10.1016/j.ejogrb.2015.04.015
DiBenedetti DB, Price MA, Andrews EB. Cognitive interviewing in risk minimization survey development: patient and healthcare professional surveys. Expert Rev Clin Pharmacol. 2013;6(4):369-73.