ScienceGate
Advanced Search
Author Search
Journal Finder
Blog
Sign in / Sign up
ScienceGate
Search
Author Search
Journal Finder
Blog
Sign in / Sign up
Index of Subjects
Journal of Hygiene
◽
10.1017/s0022172400063737
◽
1986
◽
Vol 97
(3)
◽
pp. 524-526
Download Full-text
Sign in / Sign up
Close
Export Citation Format
Close
Share Document
Close