Prognostic Biopsy of Choroidal Melanoma after Proton Beam Radiation Therapy - Hussain, Rumana N; Kalirai, Helen; Groenewald, Carl; Kacperek, Andrzej; Errington, R Douglas; Coupland, Sarah Ellen; Heimann, Heinrich; Damato, Bertil (Ophthalmology (Rochester, Minn.), 2016)