(Q36684604)
Statements
1 reference
Available data on blindness (update 1994) (English)
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B. Thylefors
A. D. Négrel
R. Pararajasegaram
1 March 1995
1 reference
1 reference
2
1 reference
1
1 reference
5-39
1 reference
Identifiers
1 reference
1 reference