title: Cyclic variation of sialic acid content in saliva.
mesh_terms: D000328:Adult; D004412:Dysmenorrhea / Q000378:metabolism; D005260:Female; D006801:Humans; D008598:Menstruation; D009438:Neuraminic Acids / Q000032:analysis*; D010060:Ovulation; D010507:Periodicity; D012463:Saliva / Q000032:analysis*; D013057:Spectrum Analysis
chemical_list: D009438:Neuraminic Acids