Investigating the Association of Mental Workload, Occupational Fatigue and Job Stress in Emergency Nurses in Iran oleh Negin Fathi, Ali Askari, Robab Hossinpour, Amin Babaei Pouya, Amir Raza Salehi, Abbas Ghodrati Torbati, Malihe Kabusi, Zahra Khezerlou, Negin Kassiri, Maliheh Eshaghzadeh, Ali Salehi Sahlabadi, Mohsen Poursadeghiyan, Javad Vatani