Relationship of serum estradiol and progesterone concentrations to the excretion profiles of their major urinary metabolites as measured by enzyme immunoassay and radioimmunoassay - Munro, C J; Stabenfeldt, G H; Cragun, J R; Addiego, L A; Overstreet, J W; Lasley, B L (Clin Chem, 1991)