RT Journal Article SR Electronic T1 Sensitivity and specificity of SOAPP-SF questionnaire for predicting aberrant urine drug screen JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 763 OP 764 DO 10.1136/rapm-2019-101179 VO 45 IS 10 A1 Romman, Adam A1 Doulatram, Gulshan A1 Doctor, Neil A1 Krishnamurthy, Partha YR 2020 UL http://rapm.bmj.com/content/45/10/763.abstract AB