Aslam A, Singh J, Robilotti E, Chow K, et al. SARS CoV-2 Surveillance and Exposure in the Perioperative Setting with Universal
testing and Personal Protective Equipment (PPE) Policies. Clin Infect Dis 2020 Oct 22. pii: 5934921. doi: 10.1093/cid/ciaa1607.
PMID: 33090210