Niessen, K H [Lactase deficiency in children with cystic fibrosis of the pancreas (CFP)]. [electronic resource] - Klinische Wochenschrift Apr 1972 - 390-1 p. digital Publication Type: Journal Article ISSN: 0023-2173 Standard No.: 10.1007/BF01486838 doi Subjects--Topical Terms: BiopsyChildChild, PreschoolCystic Fibrosis--complicationsHumansInfantIntestinal Mucosa--pathologyLactoseLactose Intolerance--diagnosisXylose