Preventing hemorrhoids during pregnancy: a multicenter, randomized clinical trial. - Poskus, Tomas; Sabonyte-Balsaitiene, Zivile; Jakubauskiene, Lina; Jakubauskas, Matas; Stundiene, Ieva; Barkauskaite, Gabija; Smigelskaite, Mante; Jasiunas, Eugenijus; Ramasauskaite, Diana; Strupas, Kestutis; Drasutiene, Grazina (BMC Pregnancy & Childbirth, 2022)