title: Copper levels in cervical mucus during normal menstrual cycles.
mesh_terms: D000328:Adult; D002582:Cervix Mucus / Q000032:analysis* / Q000378:metabolism*; D003300:Copper / Q000032:analysis*; D005260:Female; D006801:Humans; D008598:Menstruation; D008722:Methods; D008875:Middle Aged; D010060:Ovulation; D013053:Spectrophotometry
chemical_list: D003300:Copper