Khelowd Ayad Majeed, and Bashar Sadeq Noomi. “Evaluate the Efficiency of Widal Test in Diagnosis of Typhoid Fever in Arriving Patients to Kirkuk Hospitals”. Tikrit Journal of Pure Science, vol. 22, no. 11, Feb. 2023, pp. 15-18, doi:10.25130/tjps.v22i11.906.