Provider: Impact Journals, LLC TY - JOUR AU - Chang, Yanxin AU - Wan, Xuying AU - Fu, Xiaohui AU - Yang, Ziyu AU - Lu, Zhijie AU - Wang, Zhenmeng AU - Fu, Li AU - Yin, Lei AU - Zhang, Yongjie AU - Zhang, Qian TI - Severe versus common COVID-19: an early warning nomogram model JO - Aging JA - Aging (Albany NY) VL - 14 IS - 2 PB - Impact Journals, LLC SN - 1945-4589 UR - https://doi.org/10.18632/aging.203832 DO - 10.18632/aging.203832 SP - 544 EP - 556 PY - ER -