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Possible influence of vitamin D on male reproduction

[DOI] [PMC free article] [PubMed] [Google Scholar] 133.Zhang Y, Fu Y, Jiang T, Liu B, Sun H, Zhang Y, et al
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Clinical oncology

My only complaint is that the packaging is a bit awkward because the opening is too small to fit your hand through

doi:10.1038/ejcn.2009.149
