00371nam a22001337a 4500020001800000082001300018100002700031245004500058250001300103260003200116300001300148524005600161654002000217  a9781264285532  a617bELL  aEllison, E Christopher  aZollinger's atlas of surgical operations  a11th ed.  aNew YorkbMcGraw Hillc2022  a3-622 p.  aDr.P K Mohanan, HOD, Dept. of General Surgery, AIMS  aGeneral Surgery