Pagliuca, Lorita Marlena Freitag, Kátia Nêyla de Freitas Macêdo, and Grazielle Roberta Freitas da Silva. 2003. “Tactile Material for the Prevention of Blood Hypertension in Blind People”. Rev Rene 4 (2). http://periodicos.ufc.br/rene/article/view/5705.