APA

Atta M. M., Sayed M. H., Zayed M. A., Alsulami S. A., Al-Maghrabi A. T. & Kelantan A. Y. (2019). Gastro-oesophageal reflux disease symptoms and associated risk factors among medical students, Saudi Arabia. : International journal of general medicine.

Chicago

Atta Mohamed Magdi, Sayed Mohamed Hisham, Zayed Mohamed A, Alsulami Sultan A, Al-Maghrabi Ahmed T and Kelantan Abdulhfeez Y. 2019. Gastro-oesophageal reflux disease symptoms and associated risk factors among medical students, Saudi Arabia. : International journal of general medicine.

Harvard

Atta M. M., Sayed M. H., Zayed M. A., Alsulami S. A., Al-Maghrabi A. T. and Kelantan A. Y. (2019). Gastro-oesophageal reflux disease symptoms and associated risk factors among medical students, Saudi Arabia. : International journal of general medicine.

MLA

Atta Mohamed Magdi, Sayed Mohamed Hisham, Zayed Mohamed A, Alsulami Sultan A, Al-Maghrabi Ahmed T and Kelantan Abdulhfeez Y. Gastro-oesophageal reflux disease symptoms and associated risk factors among medical students, Saudi Arabia. : International journal of general medicine. 2019.