[BCG versus COVID-19?]
Medicina (B Aires). 2020 Jan 1; 80 (3): 292-294.
Bacillus Calmette Guérin (BCG) vaccination use in the fight against COVID-19 - what's old is new again?
Future Oncol. 2020 Jul 1; 16 (19): 1323-1325.
COVID-19 vaccination clinical trials should consider multiple doses of BCG.
Pharmazie. 2020 Apr 6; 75 (4): 159.