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Ross CM, Hammond C, Ralph JA, Balmert LC, Wisner KL, Kiley JW.Ross CM, et al. Among authors: hammond c.Eur J Contracept Reprod Health Care. 2021 Apr;26(2):98-104. doi: 10.1080/13625187.2020.1837363. Epub 2020 Nov 9.Eur J Contracept Reprod Health Care. 2021.PMID: 33164593