PRACE DOKTORSKIE SZWECJA 549,054 SJOSTEDT SVANTE The upper gastrointestinal microflora in relation to gastric diseases and gastric surgery : [thesis]/ by Svante Sjostedt ; Karolinska Institute Department of Surgery. - Stockholm : Karolinska Institute, University Hospital, 1989. - 57 s. : il., wykr. ; 25 cm (Acta Chirurgica Scandinavica ; suppl. 551)