00450nam a22001217a 4500020002100000082001800021100001400039245002800053260004900081300003500130500005100165650011200216  a9698963006 (pbk)  a616.0472bSAL  aSalim, M.10aBasics of pain medicine  aIslamabadbHigher Education Commissionc2018  axxii, 650 p.b: ill.c; 24 cm.  aIncludes bibliographical references and index.  aMedicinevBotulinum toxinvMigraine headachevBack painvAxillary blockvElbow blockvDrugsvTramadol vRCN