https://www.selleckchem.com/pr....oducts/benzylpenicil
The neighborhoods were grouped into 25 counties. The regional rates of EMS use varied from 18.3% to 46.5%. The final adjusted logistic model revealed that the use of EMS was significantly associated with the average number of households (neighborhood level factor) and symptoms of syncope, cardiac arrest, and history of cardiovascular disease (individual level factors). The individual levels factors had a greater influence on the use of EMS compared to the neighborhood-level factors. The individual levels factors had a
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