A. Rafiee-Pour, E. Rafiee-Pour, M. Asghari, N. Gholam Zadeh, and S. Farhang Dehghan, “Respiratory effects of exposure to flour dust: A case study among workers of flour production factories in Arak”, Arch Adv Biosci, vol. 6, no. 3, pp. 79–84, Aug. 2015.