K. Agin, M. MoinAzad-Tehrani, and F. Khodabandeh, “A Cross-Sectional Survey of Acquired Subclinical Methemoglobinemia among Hospital Healthcare Professionals in Sandstorm Episode of Ambient Air Pollution: Tehran-Iran, Pulse Co-Oximetry”, Int J Med Toxicol Forensic Med, vol. 3, no. 2(Spring), pp. 42–47, Apr. 2013.