@misc{indiciae8be804078ed1, title = {Letter: Postoperative pulmonary embolism.}, author = {D N Croft and N L Browse}, year = {1974}, doi = {10.1016/s0140-6736(74)93240-1}, url = {https://pubmed.ncbi.nlm.nih.gov/4132353/}, note = {Source identifier: 4132353} }