@article{18299,
  keywords = {Adolescent, BCG Vaccine, Case-Control Studies, Child, Cohort Studies, Family, Humans, leprosy, Research Design, Risk Factors},
  author = {Nishioka S A and Goulart I M},
  title = {Assessment of BCG protective efficacy by case-control studies.},
  year = {1993},
  journal = {International journal of leprosy and other mycobacterial diseases : official organ of the International Leprosy Association},
  volume = {61},
  pages = {459-62},
  month = {1993 Sep},
  issn = {0148-916X},
  url = {http://ila.ilsl.br/pdfs/v61n3a12.pdf},
  language = {eng},
}