AU - Laposata M FAU - Laposata, Michael AU - Dufour D FAU - Dufour, D. Robert AU - Laposata M FAU - Laposata, Michael TI - The Gastrointestinal Tract PT - BOOK SECTION DP - 2014 BTI - Laboratory Medicine: The Diagnosis of Disease in the Clinical Laboratory DA - 2014 Y2 - 2024/04/25 UR - accessmedicine.mhmedical.com/content.aspx?aid=1104503924