HO CHI MINH CITY, (PNA/VNS) — Vietnam targets to reduce the rate of preventive blindness among people above 50 years old to 2.35 per cent by 2019, according to the National Institute…
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HO CHI MINH CITY, (PNA/VNS) — Vietnam targets to reduce the rate of preventive blindness among people above 50 years old to 2.35 per cent by 2019, according to the National Institute…