TY - Journal of Integrative Medicine A1 - Jin Zheng, Ji Li, Li Zhang , Guo-hua Hu, Chao-qin Yu, Zhao-fen Zhang, Shuang Ni, Mei-juan Wei T1 - Epidemiological investigation of perimenopausal women in Shanghai Y1 - 2009-09-20 JF - Journal of Integrative Medicine JO - Journal of Integrative Medicine SP - 827 EP - 830 VL - 7 IS - 9 UR - http://www.jcimjournal.com N1 - 10.3736/jcim20090906 ER -