RT Journal Article SR Electronic T1 Reply to Dr Wang et al: serratus-intercostal block as opioids-saving strategy in supraumbilical surgery JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 535 OP 535 DO 10.1136/rapm-2019-100384 VO 44 IS 4 A1 Fernandez, Maria Teresa A1 Lopez, Servando A1 Ortigosa, Esperanza YR 2019 UL http://rapm.bmj.com/content/44/4/535.1.abstract AB