Wallace, T. M., & Zanten, S. J. V. v. Frequency of Use and Standards of Care for the Use of Azathioprine and 6-Mercaptopurine in Treatment of Inflammatory Bowel Disease: A Systematic Review of the Literature and a Survey of Canadian Gastroenterologists. Wiley.
Chicago Style (17th ed.) CitationWallace, Thomas M., and Sander JO Veldhuyzen van Zanten. Frequency of Use and Standards of Care for the Use of Azathioprine and 6-Mercaptopurine in Treatment of Inflammatory Bowel Disease: A Systematic Review of the Literature and a Survey of Canadian Gastroenterologists. Wiley.
MLA (9th ed.) CitationWallace, Thomas M., and Sander JO Veldhuyzen van Zanten. Frequency of Use and Standards of Care for the Use of Azathioprine and 6-Mercaptopurine in Treatment of Inflammatory Bowel Disease: A Systematic Review of the Literature and a Survey of Canadian Gastroenterologists. Wiley.