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Kamenar E, Burger PC.Kamenar E, et al. Among authors: burger pc.Stroke. 1980 Sep-Oct;11(5):477-84. doi: 10.1161/01.str.11.5.477.Stroke. 1980.PMID: 7423578
Mahaley MS Jr, Vogel FS, Burger P, Ghatak NR.Mahaley MS Jr, et al.Natl Cancer Inst Monogr. 1977 Dec;46:77-82.Natl Cancer Inst Monogr. 1977.PMID: 418345