The Physical Activity Guidelines for AmericansKatrina L. Piercy,Richard P. Troiano,Rachel M. Ballard,Susan A. Carlson,Janet E. Fulton,Deborah A. Galuska,Stephanie M. George,Richard D. OlsonJAMA（2018）引用 6388|浏览28AI 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
