Clusters Based on Within-Treatment Symptom Trajectories as Predictors of Dropout in Treatment for Posttraumatic Stress Disorder and Substance Use Disorder. - Alpert, Elizabeth; Kaplan, Adam; Nelson, David; Oslin, David W.; Polusny, Melissa A.; Ingram, Erin P.; Kehle-Forbes, Shannon M. (Journal of Dual Diagnosis, 2024)