Patel, D. A., Lappas, B. M., & Vaezi, M. F. (2017). An Overview of Achalasia and Its Subtypes. Gastroenterol Hepatol (N Y).
Chicago Style aipamenaPatel, Dhyanesh A., Brian M. Lappas, and Michael F. Vaezi. "An Overview of Achalasia and Its Subtypes." Gastroenterol Hepatol (N Y) 2017.
MLA aipamenaPatel, Dhyanesh A., Brian M. Lappas, and Michael F. Vaezi. "An Overview of Achalasia and Its Subtypes." Gastroenterol Hepatol (N Y) 2017.
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