Gastrointestinal functions - Delvin, Edgard; Lentze, Michael J. (Philadelphia : Lippincott Williams & Wilkins, 2001)
Keywords: Gastrointestinal Diseases -- Adolescence -- congresses; Gastrointestinal Diseases -- Child -- Congresses; Gastrointestinal Diseases -- Infant -- Congresses; Gastrointestinal System -- physiology -- congresses