TY - JOUR T1 - African Family Medicine JF - The Journal of the American Board of Family Medicine JO - J Am Board Fam Med SP - 169 LP - 170 DO - 10.3122/jabfm.2008.02.070238 VL - 21 IS - 2 AU - Raymond Downing Y1 - 2008/03/01 UR - http://www.jabfm.org/content/21/2/169.abstract N2 - ER -