Pappas, T. N., & Padussis, J. (2010). Surgery for Peptic Ulcer Disease. In GI/Liver Secrets Plus: Fourth Edition (pp. 563–571). https://doi.org/10.1016/B978-0-323-06397-5.00076-9

Pappas, T. N., and J. Padussis. “Surgery for Peptic Ulcer Disease.” In GI/Liver Secrets Plus: Fourth Edition, 563–71, 2010. https://doi.org/10.1016/B978-0-323-06397-5.00076-9.

Pappas TN, Padussis J. Surgery for Peptic Ulcer Disease. In: GI/Liver Secrets Plus: Fourth Edition. 2010. p. 563–71.

Pappas, T. N., and J. Padussis. “Surgery for Peptic Ulcer Disease.” GI/Liver Secrets Plus: Fourth Edition, 2010, pp. 563–71. Scopus, doi:10.1016/B978-0-323-06397-5.00076-9.

Pappas TN, Padussis J. Surgery for Peptic Ulcer Disease. GI/Liver Secrets Plus: Fourth Edition. 2010. p. 563–571.