TY - JOUR T1 - Attempted isolation of the gene encoding the 21 Kd Plasmodium berghei ookinete transmission blocking antigen from Plasmodium yoelli and Plasmodium vivax JO - Memórias do Instituto Oswaldo Cruz A1 - Barker, G. C. A1 - Rodríguez, M. H. A1 - Sinden, R. E. SN - 0074-0276 UL - 10.1590/S0074-02761994000600010 VL - 89 Y1 - 1994 PB - Brasil ER -