TY  - BOOK
ED  - Organización Mundial de la Salud
TI  - Strategies for the prevention of blindness in national programmes: a primary health care approach 
SN  - 9241544929
U1  - WW276 
PY  - 1997///
CY  - Ginebra
PB  - WHO
KW  - CEGUERA
N1  - Bibliografía: p. 102-104
ER  -