Fig. 4From: Circulating microRNAs miR-331 and miR-195 differentiate local luminal a from metastatic breast cancerTarget miRNA expression, by breast cancer grade. RT-qPCR of indicated target miRNA in cancers, by breast cancer grade: I (n = 10), II (n = 17), III (n = 4). a miR-331. b miR-181a. c miR-195. p < 0.05 considered significant. p values indicated on figureBack to article page