Khalaf Saad, M., Javaheri Tehrani, F., Shariatpanahi, S., Abedini, Z. و Nasiri, M. 2022. Determining Self-Efficacy and Its Related Factors in Adolescents with Major β-Thalassemia Referring to Selected Hospital in Tehran. Advances in Nursing & Midwifery. 31, 4 (آگوست 2022), 30–37.