TY - SER AU - Silva,G.S.da AU - Romera,D.M. AU - Fonseca,L.E.C. AU - Meireles,M.V. TI - Helminthic parasites of chickens (Gallus domesticus)in different regions of São Paulo state, Brazil KW - GALO KW - HELMITO KW - PARASITO DE ANIMAL KW - SAO PAULO ER -