Abstract

References
1.
Fowler
J F
Stern
B E
. (1960 ) British Journal of Radiology
33 , 389
2.
Hall
E J
Cavanagh
J
. (1967 ) British Journal of Radiology
40 , 128
3.
Joelsson
I
Bäckström
A
. (1969 ) Acta Radiologica (Therapy, Physics, Biology)
8 , 343
4.
Liversage
W E
. (1967 ) British Journal of Radiology
40 , 394
5.
Liversage
W E
. (1969 ) British Journal of Radiology
42 , 432
6.
Liversage
W E
. (1973 ) PhD Thesis, London University
7.
Mitchell
J S
. (1960 ) Studies in Radiotherapeutics . Blackwell , Oxford ; p 234
8.
Thomson
J F
Tourtelotte
W W
. (1953 ) American Journal of Roentgenology
69 , 826
