Observations on Nematodirus abnormalis (May 1920): isolation, eggs and larvae, pre-parasitic development.
D000818:Animals; D005260:Female; D006128:Growth; D007814:Larva / Q000254:growth & development; D010063:Ovum / Q000502:physiology; D012756:Sheep / Q000469:parasitology; D014251:Trichostrongyloidea / Q000254:growth & development*