PT - JOURNAL ARTICLE AU - Bunce, Catey AU - Patel, Krishna V AU - Xing, Wen AU - Freemantle, Nick AU - Doré, Caroline J AU - , TI - Ophthalmic statistics note 2: absence of evidence is not evidence of absence AID - 10.1136/bjophthalmol-2013-304811 DP - 2014 May 01 TA - British Journal of Ophthalmology PG - 703--705 VI - 98 IP - 5 4099 - http://bjo.bmj.com/content/98/5/703.short 4100 - http://bjo.bmj.com/content/98/5/703.full SO - Br J Ophthalmol2014 May 01; 98