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Effect of soy isoflavones on femoral neck bone mineral density in postmenopausal women compared to placebo [27,28,32,33,34,35,36,38,39,40,42]. M, mean change from baseline (%); SD, standard deviation; n, size of the study group; WMD, weighted average difference (%); CI, confidence interval; horizontal lines correspond to 95% CI (some of them go beyond the boundaries of the scale.
