TY  - RPRT
TI  - Maternal immunization: US FDA regulatory considerations.
AU  - Marion F Gruber
PY  - 2003
DO  - 10.1016/s0264-410x(03)00357-8
UR  - https://pubmed.ncbi.nlm.nih.gov/12850366/
ID  - 12850366
ER  -