共 4 条
- [1] JOHNS HE, 1950, BRIT J RADIOL, V33, P193
- [2] STRAY RADIATION FROM DIAGNOSTIC X-RAY BEAMS [J]. BRITISH JOURNAL OF RADIOLOGY, 1951, 24 (280) : 198 - 203
- [3] MARTIN J H, 1955, Med J Aust, V2, P806
- [4] MAYNEORD WV, 1939, BRIT J RADIOL 2, V12, P168