PT  - JOURNAL ARTICLE
AU  - Zhang, Grace
TI  - Alternate timelines
AID  - 10.1503/cmaj.200124
DP  - 2020 Jul 27
TA  - Canadian Medical Association Journal
PG  - E866--E867
VI  - 192
IP  - 30
4099  - http://www.cmaj.ca/content/192/30/E866.short
4100  - http://www.cmaj.ca/content/192/30/E866.full
SO  - CMAJ2020 Jul 27; 192