title: Permanent enteric fistulas for studies of ruminant digestion, assimilation, and elimination.
authors.forename: R E
authors.initials: RE
authors.lastname: NICHOLS
mesh_terms: D000818:Animals; D004063:Digestion; D005402:Fistula; D012417:Rumen / Q000502:physiology*; D012418:Ruminants; D013270:Stomach
keywords: RUMEN/physiology; STOMACH/physiology--in ruminants