Quality control functions of the Visual Field Reading Center (VFRC) for the Optic Neuritis Treatment Trial (ONTT)
Autor: | Keltner, John L., Johnson, Chris A., Beck, Roy W., Cleary, Patricia A., Spurr, John O. |
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Zdroj: | In Controlled Clinical Trials April 1993 14(2):143-159 |
Databáze: | ScienceDirect |
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