@article{ma. esther irigoyen camacho2009between,
  title={Relationship between Severe Early Childhood Caries, Mother´s Oral Health and Mutans Streptococci in a Low-Income Group: Changes from 1996 to 2007},
  author={ma. esther irigoyen camacho,leonor sánchez pérez,álvaro garcía pérez,marco antonio zepeda zepeda},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={33},
  number={3},
  pages={241--246},
  doi = {10.17796/jcpd.33.3.p031w1w719vp2740},
  year={2009}
}