RT Journal Article SR Electronic T1 Current evidence suggests phyto-oestrogens are safe and well tolerated by postmenopausal women, with moderately increased risk of adverse gastrointestinal effects compared with placebo JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 55 OP 56 DO 10.1136/ebm1055 VO 15 IS 2 A1 Gertraud Maskarinec YR 2010 UL http://ebm.bmj.com/content/15/2/55.abstract AB