| 摘要 |
The present invention relates to a method for the preparation of cells for use in the production of biologicals, by culturing cells up till a desired cell volume of a preproduction batch, where after in a repeated discontinous process: a) part of the cells of the preproduction batch is used for the preparation of at least one production batch, and b) the remaining part of the cells of the preproduction batch is used as a seed for the preparation of at least one subsequent preproduction batch.
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