TY - JOUR T1 - COVID-19 has no effect on gravity JF - BMJ Surgery, Interventions, & Health Technologies DO - 10.1136/bmjsit-2020-000046 VL - 2 IS - 1 SP - e000046 AU - Peter McCulloch AU - Art Sedrakyan Y1 - 2020/06/01 UR - http://sit.bmj.com/content/2/1/e000046.abstract ER -