Diarrhea happens, a lot!
Hoekelman
R A
RA
D002675:Child, Preschool; D003967:Diarrhea / Q000453:epidemiology / Q000209:etiology / Q000628:therapy; D003968:Diarrhea, Infantile / Q000453:epidemiology / Q000209:etiology / Q000628:therapy; D006801:Humans; D007223:Infant; D015995:Prevalence