C-peptide levels and the duration of lactational amenorrhea
Ellison P, Valeggia C. C-peptide levels and the duration of lactational amenorrhea. Fertility And Sterility 2003, 80: 1279-1280. PMID: 14607590, DOI: 10.1016/s0015-0282(03)02158-7.Peer-Reviewed Original Research