title: Vitrectomy: a pars plana approach.
mesh_terms: D003930:Diabetic Retinopathy / Q000150:complications; D006470:Hemorrhage / Q000601:surgery; D006801:Humans; D008722:Methods; D012163:Retinal Detachment / Q000150:complications; D013525:Surgical Instruments; D014822:Vitreous Body / Q000601:surgery*