title: Study of hormonal influences on mast cells in rats.
mesh_terms: D000818:Animals; D006728:Hormones / Q000494:pharmacology*; D008297:Male; D008407:Mast Cells / Q000187:drug effects*; D011112:Polymyxin B / Q000494:pharmacology; D051381:Rats; D013950:Thymus Gland / Q000502:physiology
chemical_list: D006728:Hormones; D011112:Polymyxin B