Serum pepsinogen concentrations in horses naturally infected with trichostrongylus axei.
D000818:Animals; D006734:Horse Diseases / Q000097:blood*; D006736:Horses; D013272:Stomach Diseases / Q000097:blood / Q000662:veterinary*; D014252:Trichostrongyloidiasis / Q000097:blood / Q000662:veterinary*