共 29 条
[13]
Heiting G, ADJUSTABLE GLASSES F
[16]
Kanani A, 2011, STANFORD SOCIAL INNO
[17]
Refractive error and visual impairment in private school children in Ghana
[J].
1600, Lippincott Williams and Wilkins (90)
:1456-1461
[18]
Effect of providing free glasses on children's educational outcomes in China: cluster randomized controlled trial
[J].
BMJ-BRITISH MEDICAL JOURNAL,
2014, 349