Duggan, A. E., Elliott, C., & Logan, R. F. A. (1999). Testing for Helicobacter pylori infection: Validation and diagnostic yield of a near patient test in primary care. British Medical Journal.
Chicago-tyylinen lähdeviittausDuggan, Anne E., Catherine Elliott, ja Richard F A. Logan. Testing for Helicobacter Pylori Infection: Validation and Diagnostic Yield of a Near Patient Test in Primary Care. British Medical Journal, 1999.
MLA-viiteDuggan, Anne E., Catherine Elliott, ja Richard F A. Logan. Testing for Helicobacter Pylori Infection: Validation and Diagnostic Yield of a Near Patient Test in Primary Care. British Medical Journal, 1999.
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