Keshav, B. R., Mathews, B., Joseph, M., Zachariah, G., & Ideculla, T. (2007). Tear Film Status in Patients Attending the Eye Clinic in South Sharqiya Region. Oman Medical Journal. https://omanscience.com/en/articles/tear-film-status-in-patients-attending-the-eye-clinic-in-south-sharqiya-region