1.
Gastroenterol Clin Biol
; 13(10): 846-7, 1989 Oct.
Article
in French
| MEDLINE
| ID: mdl-2591692
2.
Lancet
; 2(8554): 340-1, 1987 Aug 08.
Article
in English
| MEDLINE
| ID: mdl-2886807