Abstract

References
1.
Ahlberg
N E
Bartley
O
Wahlqvist
L
. (1966 ) Acta chir. scand.
132 , 362 .
2.
Becker
J A
Fleming
R
Kanter
I
Melicow
M
. (1967 ) Radiology
88 , 691 .
3.
Boijsen
E
. (1961 ) Radiologe
1 , 170 .
4.
Boijsen
E
. (1962 ) Acta radiol. (Stockh.)
57 , 172 .
5.
Boijsen
E
Folin
J
. (1961a ) Acta radiol. (Stockh.)
56 , 81 .
6.
Boijsen
E
Folin
J
. (1961b ) Radiologe
1 , 173 .
7.
Boijsen
E
Köhler
R
. (1962 ) Acta radiol. (Stockh.)
57 , 433 .
8.
Boijsen
E
Nilsson
J
. (1962 ) Acta radiol. (Stockh.)
57 , 241 .
9.
Bosniak
M A
Stern
W
Lopez
F
Tehranian
N
O'Connor
S J
. (1969 ) Radiology
92 , 989 .
10.
Caplan
L H
Siegelman
S S
Bosniak
M A
. (1967 ) Radiology
88 , 14 .
11.
Caro
G
Meisell
R
Held
B
. (1969 ) Radiology
92 , 1262 .
12.
Edsman
G
. (1958 ) Urol. int. (Basel)
6 , 117 .
13.
Farah
J
Lofstrom
J E
. (1968 ) Radiology
90 , 775 .
14.
Folin
J
. (1967 ) Acta radiol. (Stockh.) Suppl. 267.
15.
Folin
J
. (1969 ) Acta radiol. Diagn.
8 , 201 .
16.
Johnsson
S
. (1946 ) Acta radiol. (Stockh.) Suppl. 60.
17.
Kahn
P C
Wise
H M
Jr
(1967 ) Radiology
89 , 1062 .
18.
Kihlnani
M T
Abrams
R M
Berenbaum
E R
. (1968 ) Radiology
90 , 999 .
19.
Lindblom
K
. (1952 ) Amer. J. Roentgenol.
68 , 209 .
20.
McDonald
P
Hiller
H G
. (1968 ) Clin. Radiol.
19 , 1 .
21.
Mitty
H A
Baron
M G
Feller
M
. (1969 ) Radiology
92 , 994 .
22.
Nilsson
J
. (1967 ) Acta radiol. (Stockh.) Suppl. 263.
23.
Olsson
O
. (1962 ) In: Encyclopedia of Urology. Ed.
Alken
C E
Berlin &c. ; Vol. V , pt I , p 1 .
24.
Salmon
R B
Koehler
P R
. (1967 ) Radiology
88 , 9 .
