title: The catecholamine content of the adrenal glands of frogs as an index of phylogenetic relationships.
mesh_terms: D000311:Adrenal Glands / Q000378:metabolism*; D000818:Animals; D001001:Anura; D005075:Biological Evolution; D002395:Catecholamines / Q000378:metabolism*; D005260:Female; D007668:Kidney / Q000378:metabolism; D008297:Male; D012737:Sex Factors; D013045:Species Specificity
chemical_list: D002395:Catecholamines