Yan, Tian, et al. “Manifestation of High Endogenous Heparinization in Postpartum Hemorrhage Patient Using Thromboelastography: New Avenue of Coagulopathy Monitoring”. Archives of Clinical and Medical Case Reports, vol. 7, no. 1, Feb. 2023, pp. 82-88, https://fortunejournals.org/ojs/index.php/acmcr/article/view/22708.