TY  - GEN
AU  - Pina,A N
TI  - [BCG vaccine. Its efficacy and impact on the results of tuberculin screening in a high-risk population]
SN  - 0870-399X
PY  - 1999///0430
KW  - Adolescent
KW  - Adult
KW  - Aged
KW  - BCG Vaccine
KW  - immunology
KW  - Child
KW  - Child, Preschool
KW  - Female
KW  - Humans
KW  - Infant
KW  - Male
KW  - Middle Aged
KW  - Portugal
KW  - epidemiology
KW  - Prevalence
KW  - Socioeconomic Factors
KW  - Tuberculin Test
KW  - statistics & numerical data
KW  - Tuberculosis, Pulmonary
KW  - diagnosis
KW  - Urban Population
N1  - Publication Type: English Abstract; Journal Article
ER  -