O. Nepal, B. Pokharel, K. Khanal, S. Mallik, B. Kapoor, and R. Koju, “Relationship Between Arterial Oxygen Saturation and Hematocrit, and Effect of Slow Deep Breathing on Oxygen Saturation in Himalayan High Altitude Populations”, Kathmandu Univ. Med. J., vol. 10, no. 3, pp. 30–34, Apr. 2013.