00663pam a2200205 a 4500008004100000020002200041100002100063245008600084250001200170260004200182300003400224500002000258504004100278650003200319650005700351700002200408003000100430005001700431040000900448                                          a0721643299 (hbk.)1 aGryboski, Joyce.10aGastrointestinal problems in the infant /cby Joyce Gryboski and W. Allan Walker.  a2nd ed.  aPhiladelphia :bW.B. Saunders,c1983.  axii, 765 p. :bill. ;c27 cm.  aIncludes index.  aIncludes bibliographical references. 0aPediatric gastroenterology. 2aGastrointestinal diseasesxIn infancy and childhood.1 aWalker, W. Allan.20230120204231.0  cNUST