TY  - RPRT
TI  - Improved Friedman pregnancy test; a new method.
AU  - J C NORRIS
PY  - 1956
DO  - 10.1097/00007611-195605000-00017
UR  - https://pubmed.ncbi.nlm.nih.gov/13324443/
ID  - 13324443
ER  -