The size of hookworm ova as a criterion for differentiating A. duodenale from N. americanus.
D000722:Ancylostoma / Q000033:anatomy & histology*; D000724:Ancylostomiasis / Q000175:diagnosis; D000818:Animals; D003937:Diagnosis, Differential; D005243:Feces; D005260:Female; D006725:Hookworm Infections / Q000175:diagnosis; D006801:Humans; D007814:Larva; D009331:Necator / Q000033:anatomy & histology*; D010063:Ovum; D010270:Parasite Egg Count