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Kajimoto M, Ledee DR, Xu C, Kajimoto H, Isern NG, Portman MA.Kajimoto M, et al. Among authors: portman ma.Circ J. 2014 Oct 28. Online ahead of print.Circ J. 2014.PMID: 25354460Free article.
Ning XH, Xu CS, Song YC, Xiao Y, Hu YJ, Lupinetti FM, Portman MA.Ning XH, et al. Among authors: portman ma.Cryobiology. 1998 Jun;36(4):321-9. doi: 10.1006/cryo.1998.2091.Cryobiology. 1998.PMID: 9654735