RT Journal Article SR Electronic T1 Economics of Treatment Guidelines for Hypertension JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 421 OP 422 DO 10.3122/jabfm.12.5.421 VO 12 IS 5 A1 Sheps, Sheldon A1 Lenfant, Claude YR 1999 UL http://www.jabfm.org/content/12/5/421.abstract AB