Letter to the editor re: "A noninferiority randomized controlled trial to compare transabdominal and transvaginal sonography for eligibility assessment prior to medical abortion".
Sklar A, Teal S, Sheeder J. Letter to the editor re: "A noninferiority randomized controlled trial to compare transabdominal and transvaginal sonography for eligibility assessment prior to medical abortion". Contraception. 2019 06; 99(6):377.