RT Journal Article SR Electronic T1 IPB with LFCN can provide ambulatory analgesia for hip surgeries JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2020-101300 DO 10.1136/rapm-2020-101300 A1 Ritesh Roy A1 Gaurav Agarwal A1 Anamika Patel YR 2020 UL http://rapm.bmj.com/content/early/2020/02/17/rapm-2020-101300.abstract AB