Percutaneous catheter drainage following inadequate surgical treatment for complicated pott 's disease - a case report .
经皮导管引流治疗外科手术术后之复杂的脊椎结核病变病例报告。
The discipline of cancer epidemiology originated in one such a confluence : in 1775 , a london surgeon , sir percivall pott , discovered that scrotal cancer was much more common in chimney sweeps than in the general population .
