Int J Retina Vitreous. 2021 Apr 26;7(1):35. doi: 10.1186/s40942-021-00296-7.
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ETDRS panretinal photocoagulation combined with intravitreal ranibizumab versus PASCAL panretinal photocoagulation with intravitreal ranibizumab versus intravitreal ranibizumab alone for the treatment of proliferative diabetic retinopathy.