Saline volume necessary to achieve predetermined intraluminal pressures during leak testing of small intestinal biopsy sites in the dog. (vetmed.auburn.edu)
Depending on the results, the doc will do an endoscopy (a small intestinal biopsy). (health.com)
A recent study in the Journal of Pediatrics (January 2000) screened 1200 children aged 6 months up to 20 years with blood tests and, in some cases, small intestinal biopsy. (ericbakker.com)