@misc{indiciaea24f1569ade7, title = {Thromboembolism after hip surgery.}, author = {K Westermann and O Trentz and P Pretschner and J Mellmann}, year = {1981}, doi = {10.1007/bf00266066}, url = {https://pubmed.ncbi.nlm.nih.gov/6164655/}, note = {Source identifier: 6164655} }