Costa HM de A, Leite ACR, Costa JO, Guimarães MP. Effect of worm burden on female to male ratio and epg in parasitism by ancylostoma caninum. Rev. Inst. Med. Trop. São Paulo [Internet]. 1979 Apr. 10 [cited 2024 Jun. 26];21(2):67-71. Available from: https://revistas.usp.br/rimtsp/article/view/197394