Performance of a Brazilian population on the test of functional health literacy in adults.
Carthery-Goulart MT, Anghinah R, Areza-Fegyveres R, Bahia VS, Brucki SM, Damin A, Formigoni AP, Frota N, Guariglia C, Jacinto AF, et al. Rev Saude Publica. 2009 Aug; 43(4):631-8. Epub 2009 May 29.