Question: Two pages in which briefly describe the theoretical basis for Post-Traumatic Stress Disorder Also called: PTSD and your references (the text(Marks, D. F., Murray, M., Evans, B., Estacio, E. V. (2015) ). Health psychology: theory, research, and practice (4th ed.). London: Sage., ) plus five additional scholarly references). This portion should be in APA format with appropriate citation and references.