TY - JOUR T1 - Comparative study of some characteristics of influenza virus A/PR8/34 (H1N1) cultivated on chorioallantoic membrane fragments in the presence of ceruloplasmin or of parainfluenza type I (Sendai) virus. JO - Virologie PY - 1983/01/01 AU - Tomas E AU - Samuel I AU - Popescu A AU - Cajal N ED - VL - 34 IS - 4 SP - 295 EP - 301 Y2 - 2026/10/11 ER -