Population-based cross-sectional study of barriers to utilisation of refraction services in South India: Rapid Assessment of Refractive Errors (RARE) Study

Marmamula, Srinivas ; Keeffe, Jill E ; Raman, Usha ; Rao, Gullapalli N

BMJ open, 2011-01, Vol.1 (1), p.e000172-e000172 [Periódico revisado por pares]

England: BMJ Publishing Group LTD

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