<qa>  What is the minimum CAPS score of 50 at week 8?In Phase I, eligible patients will take open-label paroxetine up to 60 mg daily for 8 weeks. Patients who are refractory less than 30 reduction in CAPS scores or a minimum CAPS score of 50 at week 8 and have PTSD symptoms of at least moderate severity on CGI-S will be eligible for the second phase. In Phase II, patients will continue taking open-label paroxetine and will be randomized to the addition of quetiapine up to 800 mg daily or placebo for 8 weeks in a double-blind fashion. 