Headache & Pain
Neuroimaging of headache
Dec. 12, 2022
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The line shows the 3-month moving average. Data include records of visits to any nonfederal hospital facility in Maine, including records of all outpatient and emergency department visits billed through a nonfederal hospital in Maine. (Source: CDC/Graber JM, Smith AE. Results from a state-based surveillance system for carbon monoxide poisoning. Public Health Rep 2007;122:145-54. Public domain.)