TY  - GEN
AU  - PERETTI,E
TI  - [Infection and morbidity in persons born in 1920-1939, and who were given percutaneous tuberculin test while attending the school]
PY  - 2003///0501
KW  - Biometry
KW  - Humans
KW  - Morbidity
KW  - Schools
KW  - Tuberculin
KW  - Tuberculin Test
KW  - Tuberculosis
KW  - epidemiology
N1  - Publication Type: Journal Article
ER  -