TY - BOOK ED - World Health Organization. TI - Guidelines for programmes for the prevention of blindness SN - 9241541415 U1 - 614.5997 PY - 1979/// CY - Albany, NY PB - WHO, Obtainable from WHO Publications Centre USA KW - Ceguera KW - Prevención KW - Programas KW - Salud pública N1 - Incluye bibliografía ER -