Objective: To observe and verify clinical efficacy and safety of Tonglingzhi capsule on cancer pain relief.

目的：观察验证痛灵止胶囊对癌性疼痛缓解的临床有效性及安全性。

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Conclusion Three-step ladder for cancer pain relief can effectively alleviate the patients' pain and raise their quality of life.

结论三阶梯止痛疗法能有效缓解疼痛，提高患者的生命质量。

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So Africans with AIDS, cancer, sickle-cell disease, victims of car crashes, gunshot and machete wounds, and women in labour, suffer severe pain without relief.

因此，患上艾滋病，癌症，镰刀型贫血的患者，车祸，被枪击和被砍伤的罹难者，工伤的妇女由于没有止痛措施，他们将会遭受更多的痛苦

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He says that since the 1970s there has been a movement in the US advocating that marijuana should be legalised, which began with the medicinal use of the drug because it "was hard to argue against on compassionate grounds when people suffering from cancer and Aids might get relief from their pain".

BBC: US cannabis vote reignites call to legalise drugs