Nicolescu, E Modifications in the hypothalamus, mesencephalon and adrenal catecholamine level in rats of different ages. [electronic resource] - Revue roumaine de physiologie 1973 - 237-44 p. digital Publication Type: Journal Article ISSN: 0035-399X Subjects--Topical Terms: Adrenal Medulla--analysisAge FactorsAnimalsAnimals, NewbornCatecholamines--analysisEpinephrine--analysisHypothalamus--analysisMesencephalon--analysisNorepinephrine--analysis