APA

Khan Z., Alastal Y., Khan M. A., Khan M. S., Khalil B., Shrestha S., Kamal F., Nawras A. & Howden C. W. (2018). On-Demand Therapy with Proton Pump Inhibitors for Maintenance Treatment of Nonerosive Reflux Disease or Mild Erosive Esophagitis: A Systematic Review and Meta-Analysis. : Gastroenterology research and practice.

Chicago

Khan Zubair, Alastal Yaseen, Khan Muhammad Ali, Khan Mohammad Saud, Khalil Basmah, Shrestha Shreesh, Kamal Faisal, Nawras Ali and Howden Colin W. 2018. On-Demand Therapy with Proton Pump Inhibitors for Maintenance Treatment of Nonerosive Reflux Disease or Mild Erosive Esophagitis: A Systematic Review and Meta-Analysis. : Gastroenterology research and practice.

Harvard

Khan Z., Alastal Y., Khan M. A., Khan M. S., Khalil B., Shrestha S., Kamal F., Nawras A. and Howden C. W. (2018). On-Demand Therapy with Proton Pump Inhibitors for Maintenance Treatment of Nonerosive Reflux Disease or Mild Erosive Esophagitis: A Systematic Review and Meta-Analysis. : Gastroenterology research and practice.

MLA

Khan Zubair, Alastal Yaseen, Khan Muhammad Ali, Khan Mohammad Saud, Khalil Basmah, Shrestha Shreesh, Kamal Faisal, Nawras Ali and Howden Colin W. On-Demand Therapy with Proton Pump Inhibitors for Maintenance Treatment of Nonerosive Reflux Disease or Mild Erosive Esophagitis: A Systematic Review and Meta-Analysis. : Gastroenterology research and practice. 2018.