[DEFINITION, STRUCTURE AND CLASSIFICATION OF THE VIRUSES].
D002965:Classification; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D012106:Research; D014780:Viruses
CLASSIFICATION; EXPERIMENTAL LAB STUDY; MICROSCOPY, ELECTRON; VIRUSES
D'EFINITION, STRUCTURE ET CLASSIFICATION DES VIRUS.