G. Forstner

Decline of Exocrine Pancreatic Function in Cystic Fibrosis Patients with Pancreatic Sufficiency

M. Corey, R. Couper, D. Moore, 1992, Pediatric Research.

Shwachman syndrome: exocrine pancreatic dysfunction and variable phenotypic expression.

M. Wilschanski, P. Durie, D. Mack, 1996, Gastroenterology.