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Cheng, Hai-Ying M., Matias Alvarez-Saavedra, Heather Dziema, Yun Sik Choi, Aiqing Li, ja Karl Obrietan. Segregation of Expression of MPeriod Gene Homologs in Neurons and Glia: Possible Divergent Roles of MPeriod1 and MPeriod2 in the Brain. Oxford University Press, 2009.

Cheng, Hai-Ying M., et al. Segregation of Expression of MPeriod Gene Homologs in Neurons and Glia: Possible Divergent Roles of MPeriod1 and MPeriod2 in the Brain. Oxford University Press, 2009.