title: Administration of test materials to the neonatal North American opossum (Didelphys marsupialis virginiana Kerr).
mesh_terms: D000284:Administration, Oral / Q000662:veterinary; D000818:Animals; D000831:Animals, Newborn; D001522:Behavior, Animal; D007441:Intubation, Gastrointestinal / Q000662:veterinary*; D008954:Models, Biological; D009893:Opossums; D004364:Pharmaceutical Preparations / Q000008:administration & dosage*; D012996:Solutions / Q000008:administration & dosage; D013391:Sucking Behavior; D013535:Suspensions / Q000008:administration & dosage
chemical_list: D004364:Pharmaceutical Preparations; D012996:Solutions; D013535:Suspensions