共 22 条
- [1] BAIRD RN, 1980, ARCH SURG-CHICAGO, V115, P1316
- [3] FITZGERA.DE, 1971, LANCET, V1, P66
- [4] Gosling R, 1974, CARDIOVASCULAR APPL, P266
- [6] HAMILTON WAP, 1982, VASCULAR DIAGNOSIS T, V2, P37
- [7] HARRIS PL, 1974, SURG GYNECOL OBSTET, V138, P911
- [8] HAYNES RB, 1981, CAN MED ASSOC J, V124, P703
- [10] JOHNSTON K W, 1978, Ultrasound in Medicine and Biology, V4, P209, DOI 10.1016/0301-5629(78)90053-4