我院从1992年1月~1995年12月对74例鼻咽癌(NPC)放疗后转移或复发的病人,用PMB方案联合化疗,取得较好的疗效。完全缓解(CR)29例(39.19%),部分缓解(PR)31例(41.89%),稳定(S)5例(6.94%),进展(P)7例(9.72%)。有效率(RR)为81.08%(60/74)。
In our hospital from January 1992 to D
Yb 3+-doped TiO_2 composite nano-particles were prepared by the acid-catalyzed sol-gel method using Ti(OC_4H_9)_4 and Yb(NO_3)_3 as precursors. The effects of t