the relationship betweennurses' quality of work life and their clinical competency habibzadeh h [1] *, ghorbanzadek [2] , khalkhali hr [3] , mohamadpor y [4] received: 3feb, 2012 accepted: 6may, 2012 abstract background & aims : high quality of work life (qwl) is known as basic prerequisite for empowering human resources in health system. while nurses have a significant posit...