“Porcine Based Anticoagulant in Pregnancy Revisited: Analysis and Discussion of National Fatwa in Aligned with Istihalah Fiqh Concept in Clinical Practice”, j. ftw. mgt. res., vol. 13, no. 1, pp. 549–563, Jan. 2019, doi: 10.33102/jfatwa.vol13no1.191.