RT Journal Article SR Electronic T1 A Staff- and Protocol-Driven System to Apply Urine Drug Testing in Primary Care JF The Annals of Family Medicine JO Ann Fam Med FD American Academy of Family Physicians SP 563 OP 563 DO 10.1370/afm.2604 VO 18 IS 6 A1 Patchett-Marble, Ryan YR 2020 UL http://www.annfammed.org/content/18/6/563.abstract AB