Fiszlejder, Leon, Sílvia Gutiérrez, Carlos Valdivieso, Jorge A. Leston, and Abraham Guitelman. 1980. “Exploration of the Hypothalamic-Pituitary-Adrenal Axis in the Aged”. Acta Médica Portuguesa 2 (3). Lisbon, Portugal:195-200. https://doi.org/10.20344/amp.3944.