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Penn DL, Chi JH.Penn DL, et al.Neurosurgery. 2017 Nov 1;81(5):N43-N44. doi: 10.1093/neuros/nyx452.Neurosurgery. 2017.PMID: 29088466No abstract available.
Penn DL, Chi JH, Proctor MR.Penn DL, et al.Neurosurgery. 2018 Jan 1;82(1):N9-N10. doi: 10.1093/neuros/nyx539.Neurosurgery. 2018.PMID: 29244137No abstract available.
Penn DL, Chi JH.Penn DL, et al.Neurosurgery. 2018 Mar 1;82(3):N24-N25. doi: 10.1093/neuros/nyx596.Neurosurgery. 2018.PMID: 29462440No abstract available.
Roca E, Penn DL, Safain MG, Burke WT, Castlen JP, Laws ER.Roca E, et al. Among authors: penn dl.Oper Neurosurg (Hagerstown). 2019 Jun 1;16(6):667-674. doi: 10.1093/ons/opy219.Oper Neurosurg (Hagerstown). 2019.PMID: 30124966
Huang KT, Penn DL, Chi JH.Huang KT, et al. Among authors: penn dl.Neurosurgery. 2018 Nov 1;83(5):E203-E204. doi: 10.1093/neuros/nyy403.Neurosurgery. 2018.PMID: 30321415No abstract available.