Foster DG, Jackson RA, Cosby K, Weitz TA, Darney PD, Drey EA. Predictors of Delay in Each Step Leading to an Abortion. Contraception. April 2008; 77(4):289-293.
Wasser O, Ralph LJ, Kaller S, Biggs MA. Experiences of delay-causing obstacles and mental health at the time of abortion seeking.. Contraception: X. March 2024; https://doi.org/10.1016/j.conx.2024.100105.
Herold S, Natalie Morris, MPH, Biggs MA, Schroeder R, Kaller S, Sisson G. Abortion pills on TV: An exploratory study of the associations between abortion plotline viewership and beliefs regarding in-clinic and self-managed medication abortion. Contraception. February 2024; https://doi.org/10.1016/j.contraception.2024.110416.