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Proceedings of the

INTERNATIONAL SYMPOSIUM ON THE
CONTROL OF LICE AND
LOUSE-BORNE DISEASES

Washington, D.C.
4-6 December 1972















Scientific Publication No. 263

PAN AMERICAN HEALTH ORGANIZATION
Pan American Sanitary Bureau • Regional Office of the
WORLD HEALTH ORGANIZATION
525 Twenty-Third Street, N.W.
Washington, D.C. 20037, U.S.A.

1973