Sultan, Jahangir, Tariq Afzal, and Kokab Jabeen. 2013. “Identification of the Types of Pre-Analytical Errors in the Clinical Chemistry Laboratory from Jan-2012 to Dec-2012 at Jinnah Hospital, Pathology Department”. Annals of Punjab Medical College 7 (1), 96-101. https://doi.org/10.29054/apmc/2013.433.