Valadares, T. E. .; Coelho, P. M. Z. .; Pellegrino, J.; Sampaio, I. B. M. Schistosoma Mansoni: Oviposition of Different Strains (LE’, Belo Horizonte; SP, São Paulo, and ST, Liberia) in Mice Infected With a Couple of Worms. Rev. Inst. Med. Trop. São Paulo 1981, 23 (1), 1-5.