[Study by electron microscope of the myositis of newborn mice inoculated with ECHO 9 virus and observations on the structure of the virus].
D000818:Animals; D004459:Echovirus 9; D004583:Electrons; D051379:Mice; D008853:Microscopy; D009220:Myositis / Q000821:virology*; D014777:Virus Diseases / Q000473:pathology*
MYOSITIS/virology; VIRUS DISEASES/pathology