THE EFFECT OF THE “WINTER ROTATION” OF WATER UPON SNAILS INVOLVED IN THE SPREAD OF SCHISTOSOMIASIS IN EGYPT, 1930–1931 AND 1931–1932*

Abstract

C. H. BARLOW; THE EFFECT OF THE “WINTER ROTATION” OF WATER UPON SNAILS INVOLVED IN THE SPREAD OF SCHISTOSOMIASIS IN EGYPT, 1930–1931 AND 1931–1932*, American J