预防性的

Prophylactic urethrectomy is also performed in patients at high risk for recurrence, and is usually advocated for men with TCC of the prostatic stroma.

高复发风险的病患也会进行预防性尿道切除，用于前列腺基质TCC病患。

Unless there are otherwise state provisions on management of stupefacient, psychotropic drugs，toxic drugs for medical treatment, and preventive biological produce, those provisions shall be followed.

国家对经营麻醉药品、精神药品、疗用毒性药品、预防性生物制品另有规定的，从其规定。