RT Journal Article SR Electronic T1 Retrospective analysis of peripheral nerve blocks in patients on anticoagulants and antiplatelet agents JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 372 OP 374 DO 10.1136/rapm-2021-103054 VO 47 IS 6 A1 Prachi M Patel A1 Mary C Leemputte A1 Robert J McCarthy A1 Honorio T Benzon YR 2022 UL http://rapm.bmj.com/content/47/6/372.abstract AB