RT Journal Article SR Electronic T1 Guide to Clinical Preventive Services: An Assessment of the Effectiveness of 169 Interventions. Report of the U.S. Preventive Services Task Force JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 280 OP 280 DO 10.3122/jabfm.4.4.280a VO 4 IS 4 A1 Heidrich, Fred YR 1991 UL http://www.jabfm.org/content/4/4/280.2.abstract AB