A Trial of active and passive case detection in rural area of Singapore
Colbourne, M. J.
A Trial of active and passive case detection in rural area of Singapore - 41 pages, [27 leaves]: illustration, maps ; 32 cm.
Malaria - Singapore
A Trial of active and passive case detection in rural area of Singapore - 41 pages, [27 leaves]: illustration, maps ; 32 cm.
Malaria - Singapore