TY  - RPRT
TI  - How safe is exercise during pregnancy?
AU  - E G Fishbein
AU  - M Phillips
DO  - 10.1111/j.1552-6909.1990.tb02524.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2405119/
ID  - 2405119
ER  -