title: Haemonchus contortus: attempts to determine biologic differences between the various morphologic types of females.
mesh_terms: D000818:Animals; D005243:Feces; D005260:Female; D005838:Genotype; D006041:Goats; D007814:Larva / Q000502:physiology; D008136:Longevity; D008297:Male; D010063:Ovum; D010270:Parasite Egg Count; D011309:Preservation, Biological; D012034:Refrigeration; D012756:Sheep; D012757:Sheep Diseases; D013997:Time Factors; D014251:Trichostrongyloidea / Q000033:anatomy & histology / Q000254:growth & development / Q000502:physiology; D014252:Trichostrongyloidiasis / Q000662:veterinary; D014867:Water
chemical_list: D014867:Water