Effect of different strains of Newcastle disease and fowl-plague viruses on a group of sulphonphthalein dyes.
D000818:Animals; D004396:Coloring Agents; D009980:Influenza A virus; D009521:Newcastle Disease / Q000821:virology*; D010635:Phenolphthaleins; D010930:Plague; D014780:Viruses
D004396:Coloring Agents; D010635:Phenolphthaleins
NEWCASTLE DISEASE/virology; PHENOLPHTHALEINS; VIRUSES