Morphological studies of orf and vaccinia viruses.
D000818:Animals; D003872:Dermatitis / Q000821:virology*; D012756:Sheep / Q000821:virology; D034561:Sheep, Domestic; D046509:Tissue Culture Techniques; D014615:Vaccinia / Q000821:virology*; D014616:Vaccinia virus
DERMATITIS/virology; SHEEP/virology; TISSUE CULTURE; VACCINIA/virology