TY  - RPRT
TI  - Early pregnancy factor is immunosuppressive.
AU  - F P Noonan
AU  - W J Halliday
AU  - H Morton
AU  - G J Clunie
PY  - 1979
DO  - 10.1038/278649a0
UR  - https://pubmed.ncbi.nlm.nih.gov/313010/
ID  - 313010
ER  -