Abstract

References
1.
Hajjar
R A
Hickey
R C
Samaan
N A
(1975 ) Cancer
35 , 549 –554
2.
Levinsky
B S
Grigor
K M
Symington
T
Neville
A M
(1974 ) Cancer
33 , 778
3.
Percapio
B
Knowlton
A H
(1976 ) Acta Radiologica: Therapy, Physics, Biology
15 , 288
4.
Richie
J P
Gittes
R F
(1980 ) Cancer
45 , 1957
