TY  - RPRT
TI  - Beta-adrenergic agonists for preterm labor.
AU  - K J Leveno
AU  - F G Cunningham
PY  - 1992
DO  - 10.1056/nejm199207303270510
UR  - https://pubmed.ncbi.nlm.nih.gov/1352375/
ID  - 1352375
ER  -