RT Journal Article SR Electronic T1 Trifurcation of the recurrent motor branch discovered during carpal tunnel release JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e230155 DO 10.1136/bcr-2019-230155 VO 13 IS 3 A1 Sugrue, Ryan A1 Efstathiades, Andreas A1 O"Shaughnessy, Michael YR 2020 UL http://casereports.bmj.com/content/13/3/e230155.abstract