Canagaratnam, Miruna. Gastrointestinal system / - London : Arnold, 2004. - 119 p. : col. ill. ; Includes index. ISBN: 0340813431 (pbk.) Subjects--Topical Terms: Gastrointestinal systemKidneysGastrointestinal systemKidneys LC Class. No.: MED QP145 / C36