G. Huwiage, A. A. Nami, and A. H. Akadh, “STOOL ANTIGEN (HPSA) TEST IN DETECTION OF HELICOBACTER PYLORI INFECTION AMONG ADULT DYSPEPTIC PATIENTS IN TRIPOLI, LIBYA ”, IJMMR, vol. 5, no. 2, pp. 5–14, Feb. 2020.