title: Southern African symposium on venous thrombo-emoblism. Proceedings of the symposium held in Pretoria on 7-8 February 1975.
mesh_terms: D000368:Aged; D003226:Congresses as Topic; D006801:Humans; D011655:Pulmonary Embolism / Q000453:epidemiology / Q000209:etiology / Q000401:mortality; D013923:Thromboembolism; D013924:Thrombophlebitis / Q000453:epidemiology / Q000209:etiology