The association of physical activity and fitness levels on bone density: Cardia fitness study J. Pinchoff, M. Camethon, T. Church, A. Hankinson, Jr. Jacobs D. R., C. E. Lewis,P. J. Schreiner,B. Sternfeld,O. D. Williams,S. SidneyAMERICAN JOURNAL OF EPIDEMIOLOGY（2008）引用 0|浏览5暂无评分AI 理解论文溯源树样例生成溯源树，研究论文发展脉络Chat Paper正在生成论文摘要
