%0 Journal Article %T Relationship between cell size and specific thrombopoietin productivity in chinese hamster ovary cells during dihydrofolate reductase-mediated gene amplification %A Kim, Tae Kyung %A Chung, Joo Young %A Sung, Yun Hee %A Lee, Gyun Min %J Biotechnology and Bioprocess Engineering %V 6 %N 5 %P 332-336 %@ 1226-8372 %D 2001-10-01 %I The Korean Society for Biotechnology and Bioengineering %~ DeepDyve