RT Journal Article SR Electronic T1 A Period of Growth and Change JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 1 OP 1 DO 10.1136/rapm-00115550-199015010-00001 VO 15 IS 1 A1 Bridenbaugh, Phillip O. YR 1990 UL http://rapm.bmj.com/content/15/1/1.abstract AB