RT Journal Article SR Electronic T1 Discrepancy between registered and reported trial protocols: don’t ask, don’t tell or zero tolerance? JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 253 OP 254 DO 10.1136/rapm-2019-101128 VO 45 IS 4 A1 De Q Tran A1 Brian D Sites YR 2020 UL http://rapm.bmj.com/content/45/4/253.abstract AB