title: C-peptide levels and the duration of lactational amenorrhea.
authors: Peter T
authors: PT
authors: Ellison
authors: Claudia R
authors: CR
authors: Valeggia
mesh_terms: D000568:Amenorrhea / Q000209:etiology*; D002096:C-Peptide / Q000652:urine*; D005260:Female; D006801:Humans; D007774:Lactation / Q000652:urine*; D013997:Time Factors
chemical_list: D002096:C-Peptide