Abstract

References
1.
Castell
D O
Johnson
R B
. (1966 ) New Engl. J. Med.
275 , 188
2.
Follett
D M
Freundlich
H F
Staddon
G
. (1965 ) Brit. J. Radiol.
38 , 317
3.
Gottschalk
A
. (1967 ) J. Amer. med. Ass.
200 , 630
4.
Johnson
P M
Grossman
F M
Atkins
H L
. (1967 ) Amer. J. Roentgenol.
99 , 453
5.
McAfee
J G
Ause
R G
Wagner
H N
. (1965 ) Arch. intern. Med.
116 , 95
6.
McCarthy
C F
Davies
E R
Ross
F G M
Wells
P N T
Read
A E
Follett
D H
Muir
K M
. (1969 ) (in press)
7.
McCready
V R
. (1967 ) Brit. J. Radiol.
40 , 401
8.
Parker
J J
Siemsen
J K
. (1967 ) Radiology
88 , 342
9.
Patton
D D
Garcia
E N
Webber
M M
. (1966 ) Amer. J. Roentgenol.
97 , 880
10.
Potchen
E J
Adatepe
M
Welch
M
Archer
E
Studer
R
. (1968 ) J. Amer. med. Ass.
205 , 208
11.
Shingleton
W W
Taylor
L A
Pircher
F J
. (1966 ) Ann. Surg.
163 , 688
12.
Stern
H S
McAfee
J G
Subramanian
G
. (1966 ) J. nucl. Med.
7 , 665
