Turchetti-Mara, R. M. de M.; Bambirra, E. A.; Coelho, P. M. Z.; Santos, T. M. e; Vieira, E. C. The Association of Schistosoma Mansoni Infection With Deficiency of Vitamin a in Mice. Rev. Inst. Med. Trop. São Paulo 1983, 25 (5), 215-222.