Epidemiological studies on horses infected with nematodes of the family Trichonematidae (Witenberg, 1925).
D000818:Animals; D004739:England; D005260:Female; D006736:Horses; D008297:Male; D012621:Seasons; D013319:Strongyle Infections, Equine / Q000453:epidemiology* / Q000469:parasitology