PT  - JOURNAL ARTICLE
AU  - Mahase, Elisabeth
TI  - Covid-19: What do we know so far about a vaccine?
AID  - 10.1136/bmj.m1679
DP  - 2020 Apr 27
TA  - BMJ
PG  - m1679
VI  - 369
4099  - http://www.bmj.com/content/369/bmj.m1679.short
4100  - http://www.bmj.com/content/369/bmj.m1679.full
SO  - BMJ2020 Apr 27; 369