APA

Abou Samra W. A., El Emam D. S., Farag R. K. & Abouelkheir H. Y. (2016). Simultaneous versus Sequential Accelerated Corneal Collagen Cross-Linking and Wave Front Guided PRK for Treatment of Keratoconus: Objective and Subjective Evaluation. : Journal of ophthalmology.

Chicago

Abou Samra Waleed Ali, El Emam Dalia Sabry, Farag Rania Kamel and Abouelkheir Hossam Youssef. 2016. Simultaneous versus Sequential Accelerated Corneal Collagen Cross-Linking and Wave Front Guided PRK for Treatment of Keratoconus: Objective and Subjective Evaluation. : Journal of ophthalmology.

Harvard

Abou Samra W. A., El Emam D. S., Farag R. K. and Abouelkheir H. Y. (2016). Simultaneous versus Sequential Accelerated Corneal Collagen Cross-Linking and Wave Front Guided PRK for Treatment of Keratoconus: Objective and Subjective Evaluation. : Journal of ophthalmology.

MLA

Abou Samra Waleed Ali, El Emam Dalia Sabry, Farag Rania Kamel and Abouelkheir Hossam Youssef. Simultaneous versus Sequential Accelerated Corneal Collagen Cross-Linking and Wave Front Guided PRK for Treatment of Keratoconus: Objective and Subjective Evaluation. : Journal of ophthalmology. 2016.