title: [Comparative study of the noradrenaline levels in brains of conventional or germ-free rats during different months of the year].
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D005856:Germ-Free Life; D009638:Norepinephrine / Q000378:metabolism*; D051381:Rats; D012621:Seasons
chemical_list: D009638:Norepinephrine
vernacular_title: Etude comparée des teneurs en noradrénaline du cerveau de rats conventionnels ou aseptiques au cours des différents mois de l'année.