00442pam a2200145 a 4500020001200000040002500012041001300037082002100050100002400071245006400095260006400159300001300223365001200236653004800248  c5237.50  aMedical College Libr  aENGhENG  a616.3407545bRAS  aRaskin, Jeffrey B..  aColonoscopy Principles & Techniques / chTextual Documents  aNew York : bIGAKU-SHOIN Medical Publishers, Inc. , c1995.  a242 ; c  a5237.50  aGastroenterologyaMedical ScienceaMedicine