共 6 条
- [2] ELLIS F, 1969, Clinical Radiology, V20, P1, DOI 10.1016/S0009-9260(69)80043-7
- [3] ELLIS F, 1969, BRIT J RADIOL, V43, P715
- [4] ELLIS F, 1968, CURRENT TOPICS RADIA, V4, P357
- [6] WINSTON B M, 1969, Clinical Radiology, V20, P8, DOI 10.1016/S0009-9260(69)80045-0