TY - BOOK AU - Peter B Cotton; AU - G N J Tytgat; AU - Williams Christopher B. TI - Annual of gastrointestinal endoscopy 1996 : illustrated in colour SN - 185650008X AV - RC78 .E5A5 1996 PY - 1996/// CY - London, U.K. PB - Rapid Science Publishers KW - Gastrointestinal Diseases N1 - includes; indexes ER -