Low molecular weight heparin and 28-day mortality among patients with coronavirus disease 2019: A cohort study in the early epidemic era
W. Qin,
F. Dong,
Z. Zhang,
B. Hu,
S. Chen,
Z. Zhu,
F. Li,
X. Wang,
Y. Zhang,
Y. Wang,
K. Zhen,
J. Wang,
I. Elalamy,
C. Li,
Z. Zhai,
B. Davidson,
C. Wang,
2021