M. Tawfiq, Shameran. “Isolation and Identification Streptococcus Pneumonia from Contact Lenses of Conjunctivitis and Keratitis Patients With Bacteria Resistance to Antibiotics”. Tikrit Journal of Pharmaceutical Sciences, vol. 13, no. 1, Apr. 2023, pp. 62-72, doi:10.25130/tjphs.2018.13.1.9.62.72.