TY  - RPRT
TI  - Identifying multiple gestation groups using state-level birth and fetal death certificate data.
AU  - Jane Lazar
AU  - Milton Kotelchuck
AU  - Angela Nannini
AU  - Mary Barger
PY  - 2005
DO  - 10.1007/s10995-005-0043-1
UR  - https://pubmed.ncbi.nlm.nih.gov/16328704/
ID  - 16328704
ER  -