Amir, M., Z. Hassan, O. Aziz, N. Ali, and S. Ahmad. “FREQUENCY AND LEVELS OF FACTOR EIGHT INHIBITORS IN KNOWN HAEMOPHILIACS”. Pakistan Armed Forces Medical Journal, Vol. 68, no. 4, Aug. 2018, pp. 712-16, https://pafmj.org/index.php/PAFMJ/article/view/17.