TY - BOOK AU - Long, Melanie Sarah AU - Cheshire, Elizabeth TI - Gastrointestinal system SN - 0723432511 U1 - 612.3 PY - 2002/// CY - London PB - Mosby KW - GASTROINTESTINAL SYSTEM KW - Gastrointestinal System-physiology KW - Gastrointestinal System-anatomy ER -