Savel'ev V S, Dumpe E P, Iablokov E G, Kirienko A I, Maliutina A G
Vestn Khir Im I I Grek. 1976 Sep;117(9):3-9.
It is stated that latent spread of thrombosis in v. saphena magna in proximal direction is observed in 37--40%. Radioisotope technic was employed to indicate the level of thrombus. The operative technic is described.
据称，在37%至40%的病例中观察到血栓在大隐静脉中向近端的潜在扩散。采用放射性同位素技术来确定血栓的位置。文中描述了手术技术。
