Acupuncture or metformin to improve insulin resistance in women with polycystic ovary syndrome: study protocol of a combined multinational cross sectional case-control study and a randomised controlled trial.
Elisabet Stener-VictorinHaolin ZhangRong LiCecilia FridenDong LiWei WangHaining WangCuiqing ChangShi LiZeJun HuoHua ZhangXiaolan JiAngelica Linden-HirschbergJie QiaoPublished in: BMJ open (2019)
NCT02647827 and EudraCT2015-004250-18.