1. False-negative RT-PCR for COVID-19 and a diagnostic risk score: a retrospective cohort study among patients admitted to hospital. Issue 2 (9th February 2021) Authors: Gupta-Wright, Ankur; Macleod, Colin Kenneth; Barrett, Jessica; Filson, Sarah Ann; Corrah, Tumena; Parris, Victoria; Sandhu, Gurjinder; Harris, Miriam; Tennant, Rachel; Vaid, Nidhi; Takata, Junko; Duraisingham, Sai; Gandy, Nemi; Chana, Harmeet; Whittington, Ashley; McGregor, Alastair; Papineni, Pa... Journal: BMJ open Issue: Volume 11:Issue 2(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗