Ahmed Elhaj, A., Abdalla, M., & Abubakar AbdallaM, H.
(2005).
THE EFFECT OF AREA AND SITE OF TYMPANIC MEMBRANE PERFORATIONS ON HEARING THRESHOLD AMONG SUDANESE PATIENTS.
Gezira Journal Of Health Sciences, 4(1).
Retrieved from http://journals.uofg.edu.sd/index.php/gjhs/article/view/220