Cluster-randomized controlled trial of the effects of free glasses on purchase of children's glasses in China: The PRICE (Potentiating Rural Investment in Children's Eyecare) study.

Xiuqin WangNathan CongdonYue MaMin HuYuan ZhouWeiqi LiaoLing JinBaixiang XiaoXiaoyi WuMing NiHongmei YiYiwen HuangBeatrice VargaHong ZhangYongkang CunXianshun LiLuhua YangChaoguang LiangWan HuangScott RozelleXiaochen Ma

Published in: PloS one (2017)

ClinicalTrials.gov Identifier: NCT02231606. Registered on 31 August 2014.

Keyphrases

young adults
south africa
study protocol
randomized controlled trial