PT - JOURNAL ARTICLE AU - Loewen, Nils A AU - Schuman, Joel S TI - There has to be a better way: evolution of internal filtration glaucoma surgeries AID - 10.1136/bjophthalmol-2013-303237 DP - 2013 Oct 01 TA - British Journal of Ophthalmology PG - 1228--1229 VI - 97 IP - 10 4099 - http://bjo.bmj.com/content/97/10/1228.short 4100 - http://bjo.bmj.com/content/97/10/1228.full SO - Br J Ophthalmol2013 Oct 01; 97