Nelder Trial:Study on Relation between Growth,Density and Age of Acacia auriculaeformis Clinical observation on Yishen Juanbi Capsule combined with Western medicine for treatment of elder-onset rheumatoid arthritis Effect of ginsenoside Rb1 on neurotrophic factors in elderly rats with postoperative fatigue syndrome Studies on Elder Rust and Its Hyperparasite Cytokine changes in community-acquired pneumonia in elderlyand intervention of traditional Chinese medicine Nelder Trial:Effect of Density on Crown Growth and Multi-stem Emergence of Acacia auriculaeformis Forests Efficacy of compound Xiatianwu tablets in elderly patients with osteoporotic distal radius fractures