1.
Acta Clin Belg
; 27(5): 559-67, 1972.
Article
in Dutch
| MEDLINE
| ID: mdl-4669778
2.
Acta Gastroenterol Belg
; 34(2): 263-9, 1971 Feb.
Article
in French
| MEDLINE
| ID: mdl-5565417