Gastrointestinal endoscopy, ISSN 0016-5107 vol. 56, no. 4, suppl., October 2002
S152 s. : il. ; 30 cm
Scandinavian journal of gastroenterology, ISSN 0085-5928 vol. 21, suppl. 123, 1986
169 s. : il., tab. ; 24 cm
Gastrointestinal endoscopy, ISSN 0016-5107 vol. 56, no. 4, suppl., October 2002
S152 s. : il. ; 30 cm
Scandinavian journal of gastroenterology, ISSN 0085-5928 vol. 21, suppl. 123, 1986
169 s. : il., tab. ; 24 cm
