TY - JOUR IS - 4 JA - Zhen Ci Yan Jiu JO - Zhen Ci Yan Jiu (Acupuncture Research) PY - 2012 SN - 1000-0607 VL - 37 AU - Zhu L AU - Yang F AU - Jin CL AU - Ma LX AU - Chen YR AU - Yuan HW AU - Zhu J LA - zh N1 - FEMU ID: 21455; EMF-Portal URL: https://www.emf-portal.org/en/article/21455 SP - 281-285 TI - [Effect of electroacupuncture at different frequencies on serum estradiol and progesterone levels in late-stage pregnancy rats] ER -