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. Author manuscript; available in PMC: 2021 Mar 15.
Published in final edited form as: Cancer. 2019 Dec 10;126(6):1339–1350. doi: 10.1002/cncr.32655

Fig. 4. Osimertinib-resistant cell lines are cross-resistant to other EGFR-TKIs.

Fig. 4.

Osimertinib-resistant cell lines derived from PC-9 (A) or HCC827 (B) as indicated were seeded in 96-well plates and, on the second day, treated with different concentrations of the given EGFR-TKIs. After 3 days, cell numbers were estimated with the SRB assay. The data are means ± SDs of four replicate determinations.