00495nam a22001337a 4500008004100000082001800041100002000059245016700079260003100246300001500277650002200292650001400314700003300328220106b           ||||| |||| 00| 0 eng d  a378.242 bANE  aManyam,Umadevi   aThe Efficacy of Preoperative low thoracic erector spinae plane block for perioperative analgesia in lumbosacral spine surgery : A Prospective Observational study   aBhopal;bAIIMS,cJuly 2021  a74;XXpbHB  aAnesthesiology--   aMD Thesis  aJai Prakash Sharma-- eGuide