TY  - RPRT
TI  - [Demographic changes and migrations: influence on immunization strategy].
AU  - M Quarto
AU  - M Chironna
AU  - P L Lopalco
AU  - F Carrozzini
AU  - C Germinario
UR  - https://pubmed.ncbi.nlm.nih.gov/12389409/
ID  - 12389409
ER  -