Frontiers of gastrointestinal research ; Vol. 6

186 s. : il. ; 26 cm

Frontiers of gastrointestinal research ; vol. 3

163 s. : il.

Frontiers of gastrointestinal research. Vol. 2

295 s. : il.

Frontiers of gastrointestinal research. Vol. 1

187 s. : il.

Perspectives in medicine ; Vol. 4

191 s. : il.