title: Brain  3 H-catechol synthesis and the vaginal estrous cycle.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D002396:Catechols / Q000096:biosynthesis*; D004298:Dopamine / Q000378:metabolism; D004971:Estrus; D005260:Female; D009638:Norepinephrine / Q000378:metabolism; D011247:Pregnancy; D051381:Rats; D014316:Tritium; D014443:Tyrosine / Q000378:metabolism
chemical_list: D002396:Catechols; D014316:Tritium; D014443:Tyrosine; D004298:Dopamine; D009638:Norepinephrine