WHO. (1990). Management of cataract in primary health care services. World Health Organisation.
Chicago Edition CitationWHO. Management of Cataract in Primary Health Care Services. Geneva: World Health Organisation, 1990.
Cita MLAWHO. Management of Cataract in Primary Health Care Services. World Health Organisation, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.