A Study on the Comparative Susceptibility of Snail Vectors to Strains of Schistosoma mansoni

Abstract
Virginia S. Files, Eloise B. Cram, A Study on the Comparative Susceptibility of Snail Vectors to Strains of Schistosoma mansoni, The Journal of Parasitology, Vol. 35, No. 6, Section 1 (Dec., 1949), pp. 555-560