[Stratified sampling survey of major human parasitic diseases in Henan province].
Xu Bl, Zhang Hw, Yao Deng, Chen Zl, Chen Wq, Lu Dl, Zhang Yl, Zhao Yl, Lin Xm, Qirong Huang, Yang Cy, Yanhong Liu, Zhou Rm, Peng Li, Chen Js, He Lj, Dehui Qian
Abstract