Abstract Purpose To investigate whether seminal plasma (SP)/serum ratios of multiple trace elements (TEs) can classify patients with male subfertility. Methods SP/serum ratios of 20 TEs (lithium. sodium. magnesium. https://www.spidertattooz.com/BON-VIV-Spiked-Seltzer-Grapefruit-6pk-12oz-Can-4-5-ABV/