1. Antonowicz, J., Reddy, U., Khaw, K. T., Shwachmann, H.: Lactase deficiency in patients with cystic fibrosis. Pediatrics 42, 492 (1968)
2. Antonowicz, J., Lloyd-Still, J. D., Khaw, K. T., Shwachmann, H.: Congenital sucraseisomaltase deficiency. Pediatrics 49, 847 (1972)
3. Asquith, P., Thompson, R. A., Cooke, W. T.: Serumimmunglobulins in adult coeliac disease. Lancet 1969 I, 129
4. Beale, A. J., Douglas, A. P., Parish, W. E., Hobbs, J. R.: Impaired IgA responses in coeliac disease. Lancet 1971 I, 1198
5. Becker, M.: Universitäts-Kinderklinik Düsseldorf: Persönliche Mitteilung