Dewit, I.Dittus, W.P.J.Vercruysse, J.Harris, E.A.Gibson, D.I.2015-07-072015-07-071991Primates, 32(3):p.391-395https://dl-ifs.nsf.gov.lk/handle/1/380Veterinary ScienceGastro-intestinal helminths in a natural population of Macaca sinica and Presbytis spp.at Polonnaruwa, Sri LankaArticle