the temporal changes in progesterone ( delta 4p ) , 20 alpha-dihydroprogesterone ( 20 alpha-dhp ) and luteinizing hormone ( lh ) concentrations in pseudopregnant ( psp ) rats after treatment with a single subcutaneous silastic-pvp tube containing 600 micrograms pgf2 alpha were correlated .
C0033308
progesterone
C0012311
20 alpha-dihydroprogesterone