Health information on the Internet: accessibility, quality, and readability in English and Spanish.
Berland GK, Elliott MN, Morales LS, Algazy JI, Kravitz RL, Broder MS, Kanouse DE, Muñoz JA, Puyol JA, Lara M, et al. JAMA. 2001 May 23-30; 285(20):2612-21.