elfosscientiae.cigb.edu.cu Apl... · 2009-03-10 · antigen in CHO cells using the...
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elfosscientiae.cigb.edu.cu Apl... · 2009-03-10 · antigen in CHO cells using the DHFR]methothrexate amplification system (Pérez et al., 1988). In the work described in this report,