GERD IN THE 21ST CENTURY, SERIES #7Pathophysiology of GERD: Esophageal Epithelial Defense
Doctors Orlando write that the esophagus has several mechanisms to prevent injury from gastric acid and pepsin. Their article details these mechanisms.
COLORECTAL CANCER, SERIES #4The Role of Stool DNA Testing in Colorectal Cancer Screening
The stool DNA test may be particularly useful in individuals who are unwilling to be screened endoscopically, but should not be substituted for colonoscopy in those with symptoms or in whom colonoscopy is indicated for underlying conditions. Dr. Ross gives screening options and the rationale and results for stool DNA testing.
NUTRITION ISSUES IN GASTROENTEROLOGY, SERIES #19Drug-Nutrient Considerations in Patients Receiving Parenteral and Enteral Nutrition
Dr. Sacks gives basic information on drug interactions, absorption, distribution, metabolism and elimination and the incompatibilities between drug and enteral formulas.