https://api.elsevier.com/content/article/pii/S0049384820306277doi:10.1016/j.thromres.2020.11.0201-s2.0-S004938482030627710.1016/j.thromres.2020.11.020S0049-3848(20)30627-7Low molecular weight heparin and 28-day mortality among patients with coronavirus disease 2019: A cohort study in the early epidemic era Thrombosis ResearchJournal004938482021-02-28February 20210falsefalse