Laboratory Study of the Yi-Fu-Ning Soft Gelatin Capsules in Treating Climacteric Syndrome Effect of the Purariae-isofiavones on Estrogen Level in Normal and Ovariectomized Rats Effects of Soy Extract on Lipid Metabolism in Ovariectomized Rats Effects of Soy Extract on Energy Balance in Ovariectomized Rats Effects of Qianggu Electuary on Ovariectomized Osteoporotic Rats Effect of the Yifuning soft gelatin capsules on Estrogen Receptor and Nitric oxide levels in ovariectomized rats Effects oh Huangqi (Astragalus membranaceus) and DES on Skeleton of Ovariectomized Rats Effect of Kunyining capsule on reproductive ednocrine-immune