[Some features of diarrheal diseases in Heilongjiang Province, China].
Ke
S R
SR
D000328:Adult; D002675:Child, Preschool; D002681:China; D003967:Diarrhea / Q000453:epidemiology* / Q000382:microbiology; D006801:Humans; D007223:Infant; D012401:Rotavirus / Q000302:isolation & purification; D012400:Rotavirus Infections / Q000453:epidemiology