Stress Influences Brain Enkephalinase, Oxytocinase and Angiotensinase Activities: A New Hypothesis. - Hernández, Joaquin; Segarra, Ana B.; Ramírez, Manuel; Banegas, Inmaculada; de Gasparo, Marc; Alba, Francisco; Vives, Francisco; Durán, Raquel; Prieto, Isabel (Neuropsychobiology, 2009)