方法在4例顽固性疼痛患者中，癌性疼痛2例，背部手术失败综合征2例。

Methods Among the 4 patients with intractable pain, 2 had cancer pain, 2 had failed back syndrome.

youdao

方法在4例顽固性疼痛患者中，癌性疼痛2例，背部手术失败综合征2例。

Methods Among the 4 patients with intractable pain, 2 had cancer pain, 2 had failed back syndrome.

youdao