The American Journal of Gastroenterology · 1999 · 10 citations · 0 references
MedicineClinical SciencesInternal MedicineGastroenterologyGastrointestinal Disorders
American Journal of Gastroenterology: April 1999 - Volume 94 - Issue 4 - p 1104 doi: 10.1111/j.1572-0241.1999.01104.x