RT Journal Article SR Electronic T1 Tetanus Immunization Status and Predictors of Immunity in Older Family Practice Outpatients JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 315 OP 317 DO 10.3122/jabfm.11.4.315 VO 11 IS 4 A1 Costa, Anthony J. A1 Gerson, Lowell W. YR 1998 UL http://www.jabfm.org/content/11/4/315.abstract AB