Abstract

References
1.
Amdur
M O
Corn
M
. (1963 ) Amer. industr. Hyg. Ass. J.
24 , 326 .
2.
Boren
H G
. (1964 ) Arch. environ. Hlth
8 , 119 .
3.California State Department of Public Health (1960 ) Technical Report of California Standards for Ambient Air Quality and Motor Vehicle Exhaust . Berkeley, Cal. ; p 135 .
4.
Dunn
J E
Jr
Linden
G
Breslow
L
. (1960 ) Amer. J. publ. Hlth
50 , 1475 .
5.
Forbes
W H
Sargent
F
Roughton
F J W
. (1945 ) Amer. J. Physiol.
143 , 594 .
6.
Holland
W W
. (1963 ) Arch. environ. Hlth
7 , 9 .
7.
Lawther
P J
. (1958 ) Proc. R. Soc. Med.
51 , 262 .
8.
Lawther
P J
. (1963 ) J. Inst. Fuel
36 , 341 .
9.
Pemberton
J
Goldberg
C
. (1954 ) Brit. med. J.
ii , 567 .
10.
Ringold
A
Goldsmith
J R
Helwig
H L
Finn
R
Schuette
F
. (1962 ) Arch. environ. Hlth
5 , 308 .
11.
Shabad
L M
. (1962 ) J. nat. Cancer Inst.
28 , 1305 .
12.
Stephens
E R
Darley
E F
Taylor
O C
Scott
W E
. (1961 ) Internal. J. Air Water Pollut.
4 , 79 .
13.
Stocks
P
Campbell
J M
. (1955 ) Brit. med. J.
ii , 923 .
