FRONTIERS OF GASTROINTESTINAL RESEARCH ; V.15 547,450 Newer test and procedures in pediatric gastroenterology / vol. ed. G[abriel] Dinari [et al.]. - Basel [etc.] : Karger, 1989. - 2 vol. ; 25 cm [Vol.] 1 : Diagnostic and therapeutic procedures. - [8], 330 s. : il. (Frontiers of Gastrointestinal Research , v. 15) ISBN 3-8055-4646-7 [Vol.] 2 : Function and laboratory tests. - [8], 296 s. : il., wykr. (Frontiers of Gastrointestinal Research ; v.16) ISBN 3-8055-4900-8