004300a00a22001810004500020001800000245004300018250000800061100002300069100001800092260002200110260000900132300001300141082001700154306003100171760002500202015001100227887001000238  a0-8151-7682-1  aTextbook of Pediatric Gastroenterology  a2nd  aSilverberg, Mervin  aGaum, Fredric  bChicago:Year book  c1988  a1-511pgs  a616-053.1S34  aPediatric Gastroenterology  bC 38-44 rack AV room  a002200  a100/=