TY  - RPRT
TI  - Pregnancy policy.
AU  - Robert L Brent
AU  - Fred A Mettler
PY  - 2004
DO  - 10.2214/ajr.182.3.1820819
UR  - https://pubmed.ncbi.nlm.nih.gov/14975993/
ID  - 14975993
ER  -