Ethinyl estradiol: Ethinyl estradiol is topic to a significant diploma of presystemic conjugation (stage II metabolism). Ethinyl estradiol escaping gut wall conjugation undergoes period I metabolism and hepatic conjugation (phase II metabolism).Din p?cate, la fel ca multe flori s?lbatice, vioreaua este amenin?at? de pierderea habitatului ?i supraco