Abstract

References
1.
Blake
B L
MacKay
J B
Rainey
H B
Weston
W J
. (1965 ) J. Coll. Radiol. Aust.
9 , 45 .
2.
Brugsch
H G
Elkins
H B
. (1963 ) New Engl. J. Med.
268 , 353 .
3.
Fuchs
S
Valade
P
. (1951 ) Arch. Mal. prof.
12 , 191 .
4.
Gandevia
B
. (1963 ) Brit. J. industr. Med.
20 , 204 .
5.ICI Dyestuffs Division (1967 ) Technical Information PC/U79 .
6.
Marcali
K
. (1957 ) Analyt. Chem.
29 , 552 .
7.
Munn
A
. (1965 ) Ann. occup. Hyg.
8 , 163 .
8.
Peters
J M
Murphy
R L H
Pagnotto
L D
Van Gane
W F
. (1968 ) Arch. environm. Hlth
16 , 642 .
9.
Reilly
D A
. (1963 ) Analyst
88 , 732 .
10.
Williamson
K S
. (1965 ) Trans. Ass. industr. med. Offrs
15 , 29 .
11.
Zapp
J A
Jr
(1957 ) Arch. industr. Hlth
15 , 324 .
