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Control Groups and Experimental Groups: It is all in the Numbers

Journal of Visual Impairment & Blindness

Impact Factor: 1.6 / 5-Year Impact Factor: 1.7

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First published online January, 2015

Control Groups and Experimental Groups: It is all in the Numbers

Volume 109, Issue 1

https://doi.org/10.1177/0145482X1510900103

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