TY  - RPRT
TI  - Decrease in serum concentration of 5 alpha-pregnane-3,20-dione prior to spontaneous labor.
AU  - M Löfgren
AU  - T Bäckström
AU  - I Joelsson
PY  - 1988
DO  - 10.3109/00016348809004262
UR  - https://pubmed.ncbi.nlm.nih.gov/3218466/
ID  - 3218466
ER  -