Abstract

References
1.
Berkow
R
Talbott
J
: The Merck Manual , ed 13. Rahway, New Jersey , Merck-Sharp & Dohme Research Laboratories . 1977 , pp 1562 –1615 .
2.
Gellin
G
: Occupational Dermatoses . AMA. Department of Environmental Public and Occupational Health , 1972 .
3.NlOSH Dermatology, Grant Program . US Depart. of Health and Human Services , February 1981 , p 79 .
4.
Proctor
N
Hughes
H
James
P
: Chemical Hazards of the Workplace . Philadelphia , JB Lippincott , 1978 , p 45 .
5.
Zenz
C
(ed): Occupational Medicine, Principles and Practical Applications . Chicago , Year Book Medical Publishers , 1975 , pp 274 –275 .
