Vitreous nonsteroidal antiinflammatory drug concentrations and prostaglandin E2 levels in vitrectomy patients treated with ketorolac 0.4 %, bromfenac 0.09 %, and nepafenac 0.1 % - Heier, J S; Awh, C C; Busbee, B G (Retina (Philadelphia, Pa), 2009)