Figure 6From: The normal breast microenvironment of premenopausal women differentially influences the behavior of breast cancer cells in vitro and in vivo Detection of estrogens and androgens in whole breast tissue. Data represent the mean (n = 18 African-American (AA) and 20 Caucasian-American (CAU)) of biologically active androgens (a) or estrogens (b) ± standard error analyzed via chromatography-tandem mass spectrometry. *P < 0.005; Wilcoxon matched pairs or paired t test, accordingly.Back to article page