文献检索/BMC Public HealthEM-T2BMC Public Health2022-06-18第 22 卷第 1 期，1217-1217开放获取Characterization of test positivity among patients with coronavirus disease 2019 (COVID-19) in three electronic health records databases, February–November 2020Patrick Saunders‐HastingsCindy Ke ZhouCenter for Biologics Evaluation and ResearchShayan HobbiIBM (United States)Hui‐Lee WongCenter for Biologics Evaluation and ResearchPatricia C. LloydCenter for Biologics Evaluation and ResearchEva BoydNader AlawarIBM (United States)Tainya C. ClarkeCenter for Biologics Evaluation and ResearchJeff BeersIBM (United States)Timothy A. BurrellIBM (United States)Azadeh ShoaibiCenter for Biologics Evaluation and Research开放获取全文去出版社页面 引用论文图谱收藏 被引提醒分享打印登录后看摘要和中文要点英文摘要、AI 生成的中文摘要和三条要点、参考文献和引证文献列表、论文图谱，注册免费。登录 / 注册关键词COVID-19 pandemicSARS-CoV-2positivity ratenucleic acid amplification testshospitalizationoutpatient testingpatient demographicscomorbiditiesUnited States参考文献26引证文献0相似文献引文网络关联作者相关机构登录后可以看完整列表。去登录论文图谱本篇和它的参考文献、引证文献、相似文献登录后可以看这篇的论文图谱：谁被它引用、谁引用了它、还有哪些相似的研究。登录 / 注册
