例句 /

NEW YORK (Reuters Health) - Oral contracepties with low leels of estrogen and progestin reduce the risk of oarian cancer een more than older ersions of the Pill, according to inestigators at the Uniersity of Hawaii in Honolulu.

NEW YORK (Reuters Health) - Oral contracepties with low leels of estrogen and progestin reduce the risk of oarian cancer een more than older ersions of the Pill, according to inestigators at the Uniersity of Hawaii in Honolulu.

据纽约(路透社健康频道)报道――檀香山的夏威夷大学研究者指出,低含量雌激素和黄体酮的口服避孕药比旧的药丸更能降低患卵巢癌的风险。