[Clinico-statistical observations on the incidence of multiple cases of poliomyelitis in the same familial group and in twins].
D002675:Child, Preschool; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011051:Poliomyelitis / Q000235:genetics*
Osservazioni clinico-statistiche sulla frequenza di casi multipli di poliomielite nello stesso nucleo familiare e nei gemelli.