Sivaramasubramanyam, P1971-06-012009-05-291971-06-012009-05-291971-06-01Sivaramasubramanyam P. Failure of filtering bleb after threphination and its management. Indian Journal of Ophthalmology. 1971 Jun; 19(2): 52-4http://imsear.searo.who.int/handle/123456789/70852engFemaleFiltering Surgery --adverse effectsGlaucoma, Open-Angle --diagnosisHumansIntraocular PressureMaleReoperation --methodsTreatment OutcomeFailure of filtering bleb after threphination and its management.Case Reports