TY  - BOOK
AU  - Schifferes,Justus Julius
TI  - How to Live Longer
PY  - 1949///
CY  - New York : 
PB  - Healt Education Council Book, 
N1  - A study of the factors in healt education influencing longevity in the United Satates since 1900.    Donación
ER  -