Ladd, C. O., Huot, R. L., Thrivikraman, K. V., Nemeroff, C. B., & Plotsky, P. M. (2004). Long-Term Adaptations in Glucocorticoid Receptor and Mineralocorticoid Receptor mRNA and Negative Feedback on the Hypothalamo-Pituitary-Adrenal Axis Following Neonatal Maternal Separation. Biological Psychiatry, 55, 367-375.