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. 2022 May 16;12(5):701–710. doi: 10.1016/j.jpha.2022.05.001

Fig. 2.

Fig. 2

The whole-process control strategy based on the transitivity and traceability of the Q-markers. Q-marker: quality marker; QbD: quality by design; CPPs: critical process parameters; CQAs: critical quality attributes; DoE: design of experiment; PAT: process analytical technology.