TY - BOOK AU - Gershman, G. AU - Ament, M. E. [1938-] TI - Practical pediatric gastrointestinal endoscopy SN - 1405131934 PY - 2006/// CY - Malden, Mass. PB - Blackwell Pub. KW - Digestive System, Diagnosis, Examination KW - Gastrointestinal Examination ER -