00261nam a22001097a 4500003000400000082001800004100001800022245003600040250001300076260005400089300000800143SGT  a617.966bD89A  aAllen, G. D.   aDental Anesthesia and Analgesia  a3rd Ed.   bC.B.S. Publishers & Distributers Pvt. Ltd. c1989  a432