Authors: Jorge Duconge; Carmen L Cadilla; Jessica Y Renta; Pamela Silén-Rivera; Paola Piovanetti; Rafael García-Berdecía; Liza M Castro-Rosario; Shalom Monzón; Linet Vélez; Guillermo Rosas; Jhon A Guerra; Pedro J Santiago-Borrero Journal: P R Health Sci J Date: 2008-12 Impact factor: 0.705