[Epidemiologic considerations on poliomyelitis; transmission among members of the family].
D045728:Corrinoids; D006397:Hematinics; D011051:Poliomyelitis / Q000635:transmission*; D014805:Vitamin B 12 / Q000627:therapeutic use*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
POLIOMYELITIS/transmission; VITAMIN B12/therapeutic use
Vedute epidemiologiche sulla poliomielite; note sul contagio familiare.