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. 2017 Oct;146(4):449–458. doi: 10.4103/ijmr.IJMR_896_16

Fig. 2.

Fig. 2

Same tumour stained using two protocols (A) manual staining gave a strong progesterone receptor staining (equal to Allred score 8/8), and (B) progesterone receptor testing in an automated stainer with same antibody gave weaker results (immunoperoxidase: 100×).