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Journal of Clinical Epidemiology > 2015 > 68 > 4 > 442-451
Complementary Therapies in Medicine > 2012 > 20 > 1-2 > 31-37
Vision Research > 1998 > 38 > 14 > 2193-2202
Journal of Clinical Epidemiology > 2015 > 68 > 4 > 442-451
Complementary Therapies in Medicine > 2012 > 20 > 1-2 > 31-37
Vision Research > 1998 > 38 > 14 > 2193-2202