title: Sialic acid levels in serum and leucocytes during normal menstrual cycle and pregnancy.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007962:Leukocytes / Q000032:analysis*; D008598:Menstruation; D011247:Pregnancy; D012794:Sialic Acids / Q000097:blood*
chemical_list: D012794:Sialic Acids