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. 2020 May 24;20:459. doi: 10.1186/s12885-020-06919-w

Fig. 1.

Fig. 1

Frequency distributions of LRIG1 and ERBB2 copy number ratios and ER levels and relationships between LRIG1 copy number ratios and breast cancer subtypes among 423 breast cancer cases. a Frequency distributions of LRIG1/CYP1B1 ratios determined by ddPCR. b Frequency distributions of ERBB2/CYP1B1 ratios determined by ddPCR (c) Frequency distributions of ER levels retrieved from clinical records. d Box plots of LRIG1/CYP1B1 ratios for each tumor subtype