TY - JOUR T1 - Why are there defaulters in eye health projects? JO - Clinics A1 - Noma, Regina A1 - Carvalho, Regina de S A1 - José, Newton Kara SN - 1807-5932 UL - 10.1590/S1807-59322011000900014 VL - 66 Y1 - 2011 PB - Brasil ER -