@book{cdc:2006,
   author = {Centers for Disease Control and Prevention},
   title = {{Principles of Epidemiology in Public Health Practice: An Introduction to Applied Epidemiology and Biostatistics}},
   publisher = {Centers for Disease Control and Prevention},
   address = {Atlanta, Georgia},
   note = {cdc:2006},
   year = {2006}
}

@article{diggle:1990,
   author = {Diggle, PJ},
   title = {A point process modeling approach to raised incidence of a rare phenomenon in the vicinity of a prespecified point},
   journal = {Journal of the Royal Statistical Society Series A},
   volume = {153},
   pages = {349 - 362},
   note = {diggle:1990},
   year = {1990}
}


@article{feychting_et_al:1998,
   author = {Feychting, M and Osterlund, B and Ahlbom, A},
   title = {Reduced cancer incidence among the blind},
   journal = {Epidemiology},
   volume = {9},
   pages = {490 - 494},
   year = {1998}
}

