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The San Diego 2007 wildfires and Medi-Cal emergency department presentations, inpatient hospitalizations, and outpatient visits: An observational study of smoke exposure periods and a bidirectional case-crossover analysis

Table 1

ICD-9 codes used to classify respiratory and cardiovascular disorders.

Table 1

doi: https://doi.org/10.1371/journal.pmed.1002601.t001