RT Journal Article SR Electronic T1 Supra-inguinal injection for fascia iliaca compartment block results in more consistent spread towards the lumbar plexus than an infra-inguinal injection: a volunteer study: a concern on the influence of patient’s breathing JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 974 OP 974 DO 10.1136/rapm-2019-100593 VO 44 IS 10 A1 Zhang, Hongye A1 Miao, Yongsheng A1 Qu, Zongyang YR 2019 UL http://rapm.bmj.com/content/44/10/974.1.abstract AB