TY  - RPRT
TI  - A twenty-four-hour pregnancy test.
AU  - R L BERMAN
PY  - 1951
DO  - 10.1016/s0015-0282(16)30429-0
UR  - https://pubmed.ncbi.nlm.nih.gov/14802468/
ID  - 14802468
ER  -