[Study on the etiology of hand, foot and mouth disease (HFMD) in China].
D002681:China; D003384:Coxsackievirus Infections / Q000209:etiology*; D004770:Enterovirus / Q000302:isolation & purification; D006232:Hand, Foot and Mouth Disease / Q000209:etiology* / Q000382:microbiology; D006801:Humans