Age and sex differences in mast cell count and histamine content.
D000367:Age Factors; D000818:Animals; D001202:Ascitic Fluid / Q000032:analysis / Q000166:cytology; D001835:Body Weight; D004971:Estrus; D005260:Female; D006632:Histamine / Q000032:analysis*; D008297:Male; D008407:Mast Cells / Q000032:analysis*; D011247:Pregnancy; D051381:Rats; D012737:Sex Factors
D006632:Histamine