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Expression of SSTR1-5 in primary breast tumor tissue. The expression of SSTR1-5 was determined using immunohistology. The variable expression levels of SSTR1-5 were scored according to the number of positive cells and the color of the stain. A colon cancer tissue that was observed with positive SSTR1-5 expression was stored and included in every experiment as a positive control. Magnification, ×600. SSTR, somatostatin receptor.
