Legend goes that Shennong discovered the medical effect of the tea by chance.

传说神农在偶然的情况下发现了茶的药用功效。

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Discussion how to use antimicrobial drugs rationally to improve the medical effect.

讨论怎样合理应用抗菌药物，提高防治效果。

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Objective To compare the medical effect between surgical treatment and microwave treatment in bromhidrosis.

目的比较手术与微波治疗腋臭的疗效。

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This worked well until 1964, when a devastating report from the surgeon-general's advisory committee in effect ended medical uncertainty about the harmfulness of smoking.

ECONOMIST: Tobacco

Because the competition has concentrated on risk selection, it has not had the desired bracing effect on medical providers, so health spending has kept on growing.

ECONOMIST: There must be a better way

Each has demonstrated leadership in a different aspect of stem cell therapeutics and each is progressing toward an approved stem cell therapy that could have a significant effect on medical practice.

FORBES: Four Standard-Bearers For Stem Cell Therapies