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Prados M, Rodriguez L, Chamberlain M, Silver P, Levin V.Prados M, et al. Among authors: silver p.Neurosurgery. 1989 Jun;24(6):806-9. doi: 10.1227/00006123-198906000-00003.Neurosurgery. 1989.PMID: 2546093
Harsh GR 4th, Levin VA, Gutin PH, Seager M, Silver P, Wilson CB.Harsh GR 4th, et al. Among authors: silver p.Neurosurgery. 1987 Nov;21(5):615-21. doi: 10.1227/00006123-198711000-00002.Neurosurgery. 1987.PMID: 2827052
Gutin PH, Leibel SA, Wara WM, Choucair A, Levin VA, Philips TL, Silver P, Da Silva V, Edwards MS, Davis RL, et al.Gutin PH, et al. Among authors: silver p.J Neurosurg. 1987 Dec;67(6):864-73. doi: 10.3171/jns.1987.67.6.0864.J Neurosurg. 1987.PMID: 3316532Review.
Levin VA, Rodriguez LA, Edwards MS, Wara W, Liu HC, Fulton D, Davis RL, Wilson CB, Silver P.Levin VA, et al. Among authors: silver p.J Neurosurg. 1988 Mar;68(3):383-7. doi: 10.3171/jns.1988.68.3.0383.J Neurosurg. 1988.PMID: 3343610