TY - JOUR T1 - Hemagglutinating and fusogenic activities of Newcastle disease virus: studies on receptor binding specificity and pH-induced conformational changes JO - Memórias do Instituto Oswaldo Cruz A1 - Couceiro, E. S. S. A1 - Couceiro, J. N. S. S. A1 - Cabral, M. C. SN - 0074-0276 UL - 10.1590/S0074-02761995000400017 VL - 90 Y1 - 1995 PB - Brasil ER -