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Nosrat CA, Tomac A, Hoffer BJ, Olson L.Nosrat CA, et al. Among authors: hoffer bj.Exp Brain Res. 1997 Jul;115(3):410-22. doi: 10.1007/pl00005711.Exp Brain Res. 1997.PMID: 9262196
Strömberg I, Björklund L, Johansson M, Tomac A, Collins F, Olson L, Hoffer B, Humpel C.Strömberg I, et al.Exp Neurol. 1993 Dec;124(2):401-12. doi: 10.1006/exnr.1993.1214.Exp Neurol. 1993.PMID: 7904571