00402nam a22001337a 4500003000400000020001800004082001800022100002900040245005500069260004900124300000800173650003300181653005400214SGT  a9789352708963  a617.525bB19T  aThankappan, Krishnakumar  aBasic Concepts in Head & Neck Surgery and Oncology  aNew Delhi, IndiabJaypee Brothers Pub.c2019  a342  aOral & Maxillofacial Surgery  aHead & Neck Surgery; Oral & Maxillofacial Surgery