title: Studies on Dictyocaulus filaria. IV. The morphogenesis of the parasitic stages in lambs.
mesh_terms: D000818:Animals; D004022:Dictyocaulus Infections; D005260:Female; D008297:Male; D009024:Morphogenesis; D012756:Sheep; D012757:Sheep Diseases; D014251:Trichostrongyloidea / Q000254:growth & development*