BAYAT M, KHALILNEJAD R, AKBARI-SARI A, HARIRCHI I, SALEHI ZALANI G, MIRBAHAEDDIN SE, KHODADOST M, JAFARI POOYAN E, YASERI M, SHOKRI A. Factors Associated with Dual Practice in Surgery Specialists: Application of Multi-Level Analysis on National Registry Data. Iran J Public Health. 2019;48(5):882-892.