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66£¬McAtier, J.A. and Daview, J. Basic Cell Culture. A Practical Approach. Oxford University Press Inc. 1998, Davies, J.M. (Ed) p. 125

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http://sciencepark.mdanderson.org/labs/tang/popdoubling.html
http://atcc.custhelp.com/app/ans ... oubling-level-(pdl)

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