title: Competitive hybridization with brain RNA fails to confirm new RNA induced by learning.
mesh_terms: D000818:Animals; D001362:Avoidance Learning; D001921:Brain / Q000378:metabolism*; D006824:Hybridization, Genetic; D008297:Male; D011603:Psychophysiology; D012313:RNA / Q000032:analysis / Q000096:biosynthesis / Q000378:metabolism*; D051381:Rats; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D012313:RNA; D014529:Uridine