Comment on

• Superselective intra-arterial infusion of papaverine for the treatment of cerebral vasospasm after subarachnoid hemorrhage.

  Kaku Y, Yonekawa Y, Tsukahara T, Kazekawa K. Kaku Y, et al. J Neurosurg. 1992 Dec;77(6):842-7. doi: 10.3171/jns.1992.77.6.0842. J Neurosurg. 1992. PMID: 1432124
• Treatment of cerebral vasospasm with intra-arterial papaverine.

  Kassell NF, Helm G, Simmons N, Phillips CD, Cail WS. Kassell NF, et al. J Neurosurg. 1992 Dec;77(6):848-52. doi: 10.3171/jns.1992.77.6.0848. J Neurosurg. 1992. PMID: 1432125