Surgical activation protocol COVID-19 (SAP COVID).
SAP COVID
MEDLINE, Embase and the Cochrane Database of Systematic Reviews (April 2020) were searched the key words "COVID-19", "PROTOCOL" and "SURGERY". 
MEDLINE
MEDLINE, Embase and the Cochrane Database of Systematic Reviews (April 2020) were searched the key words "COVID-19", "PROTOCOL" and "SURGERY". 
Embase
MEDLINE, Embase and the Cochrane Database of Systematic Reviews (April 2020) were searched the key words "COVID-19", "PROTOCOL" and "SURGERY". 
Cochrane Database of Systematic Reviews