01369oam 2200409 a 450 991070057780332120120525122301.0(CKB)5470000002410216(OCoLC)748683129(EXLCZ)99547000000241021620110901d2009 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierClinical trials in vision research[electronic resource] information for volunteersRev. 08/09.[Bethesda, Md.] :U.S. Dept. of Health and Human Services, National Institutes of Health, National Eye Institute,2009.1 online resource (22 pages) color illustrationsNIH publication ;no. 09-4124Title from title screen (viewed on Sept. 1, 2011).Clinical trials in vision research VisionResearchUnited StatesClinical trialsUnited StatesVision disordersUnited StatesVisionResearchClinical trialsVision disordersNational Eye Institute.GPOGPOGPOBOOK9910700577803321Clinical trials in vision research3504820UNINA