Vasiliauskas E A
Inflammatory Bowel Disease Center, Divisions of Gastroenterology and Pediatric Gastroenterology, Departments of Medicine and Pediatrics, Cedars-Sinai Medical Center, Los Angeles, Calif., USA.
Nestle Nutr Workshop Ser Clin Perform Programme. 1999;2:237-52; discussion 253-5. doi: 10.1159/000061790.