Sleep duration, subjective sleep need, and sleep habits of 40- to 45-year-olds in the Hordaland health study (vol 28, pg 1260, 2005)R Ursin,B Bjorvatn,F HolstenSLEEP（2005）引用 0|浏览6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
