Characterization of metabolites of steroid contraceptives by gas chromatography and mass spectrometry

  • J Steroid Biochem. 1972 Jun;3(4):699-706. doi: 10.1016/0022-4731(72)90060-x.
W G Stillwell ,  E C Horning ,  M G Horning ,  R N Stillwell
PMID: 5085379 DOI: 10.1016/0022-4731(72)90060-x
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