PT - JOURNAL ARTICLE AU - Keeler, Richard AU - Singh, Arun D AU - Dua, Harminder S TI - Screening for pressure: the Berens-Tolman tonometer AID - 10.1136/bjophthalmol-2013-303880 DP - 2013 Aug 01 TA - British Journal of Ophthalmology PG - 954--954 VI - 97 IP - 8 4099 - http://bjo.bmj.com/content/97/8/954.short 4100 - http://bjo.bmj.com/content/97/8/954.full SO - Br J Ophthalmol2013 Aug 01; 97