TY  - RPRT
TI  - Prophylaxis against postoperative pulmonary embolism.
AU  - J Black
AU  - C J Strachan
PY  - 1978
DO  - 10.1016/s0140-6736(78)92260-2
UR  - https://pubmed.ncbi.nlm.nih.gov/79903/
ID  - 79903
ER  -