title: [Small and large plaques forming variants of EEE virus (eastern equine encephalomyelitis). I. Isolation of variants M and D].
mesh_terms: D000818:Animals; D001103:Arboviruses / Q000302:isolation & purification*; D001431:Bacteriological Techniques; D002642:Chick Embryo; D051379:Mice
vernacular_title: Drobno- i wielkołysinkowe warianty wirusa EEE (wschodniego zapalenia mózgu i rdzenia koni). I. Wyosobnianie wariantów M i D.