title: Age-related changes in passive avoidance retention: modulation with dietary choline.
mesh_terms: D000284:Administration, Oral; D000375:Aging; D000818:Animals; D001362:Avoidance Learning / Q000187:drug effects*; D002794:Choline / Q000008:administration & dosage / Q000494:pharmacology*; D051379:Mice; D008815:Mice, Inbred Strains; D013997:Time Factors
chemical_list: D002794:Choline