New antibiotics suitable for oral use are badly needed.

急需一些适合口服使用的新型抗菌素。

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Not for oral use. In case of ingestion seek professional help immediately.

本产品不可口服；如不慎误食，请立即就医。

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OBJECTIVE: To study the preparation and clinical therapeutic effect of tinidazole rod for oral use.

前言：目的：研究口腔用替硝唑棒的制备及临床疗效。

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Why would you maybe not want to use the oral vaccine?

但什么会让你不愿意使用口服疫苗呢

耶鲁公开课 - 生物医学工程探索课程节选

Many other factors that have been studied do not seem to affect the risk of breast cancer (dietary fat intake, cigarette smoking, past oral contraceptive use, exposure to electromagnetic fields).

FORBES: After 40 Years Of Research, What Do We Know About Preventing Breast Cancer?

Dr Amy Berrington, of Cancer Research UK, said the link between oral contraceptive use and cancer risk was highly complex, with studies showing that taking the Pill reduced ovarian and endometrial cancer risk, but increased the risk of breast cancer risk and probably also cervical cancer.

BBC: Oestrogen in the Pill could offer protective benefits

For instance, women who smoke and are over age 45 should not use oral contraceptives.

CNN: Health - Look what's 40 -- the pill