标题: A comparison of methods for the estimation of retroviral burden. $ d! M) x9 J% z8 S
作者:Bierley STRaineri RPoiley JAMorgan EM , n r8 r( \0 q
杂志:Developments in biological standardization 1996 88:163-5. # Q* P* n: M( y% i' V
Pubmed链接: http://pubmed.cn/9119132 3 G2 d7 V$ J, {3 B
恳请大侠帮忙。# x W7 F3 N9 f+ F e! N' \