1. Efficiency of nicotinamide-based supportive therapy in lymphopenia for patients with ordinary or severe COVID-19: A randomized controlled trial. Issue 43 (28th October 2022) Authors: Hu, Qiang; Zhang, Quan-Yu; Peng, Cheng-Fei; Ma, Zhuang; Han, Ya-Ling Journal: Medicine Issue: Volume 101:Issue 43(2022) Page Start: e31138 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗