TY - JOUR AU - purnamdarian, sepideh AU - birashk, behrooz AU - asghar nejad farid, ali asghar TI - The Clarification of Contribution of Meta-Cognitive BelieFs in Explaining the Symptoms of Depression, Anxiety and Stress in Nurses JO - Knowledge & Research in Applied Psychology VL - 13 IS - 3 SP - 86 EP - 94 PY - 2012 DO - ER -