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Berry I, Moseley M, Germano IM, Ishige N, Nishimura MC, Bartkowski HM, Pitts LH, Brant-Zawadzki M.Berry I, et al. Among authors: bartkowski hm.Acta Radiol Suppl. 1986;369:338-49.Acta Radiol Suppl. 1986.PMID: 2980491
Roman R, Bartkowski H, Simon R.Roman R, et al.Neurosci Lett. 1989 Sep 25;104(1-2):19-24. doi: 10.1016/0304-3940(89)90322-4.Neurosci Lett. 1989.PMID: 2554220