title: Zinc and magnesium in human spermatozoa from different fractions of split ejaculates.
mesh_terms: D006801:Humans; D008274:Magnesium / Q000032:analysis*; D008297:Male; D013094:Spermatozoa / Q000032:analysis*; D015032:Zinc / Q000032:analysis*
chemical_list: D008274:Magnesium; D015032:Zinc