TY  - RPRT
TI  - Multiple pregnancies: action is taking place.
AU  - M R Soules
AU  - R J Chang
AU  - L I Lipshultz
AU  - W R Keye
AU  - S Carson
PY  - 2001
DO  - 10.1016/s0015-0282(00)01726-x
UR  - https://pubmed.ncbi.nlm.nih.gov/11163809/
ID  - 11163809
ER  -