You will be presented with a citation segment from the section of a research paper. Classify the intent behind this citation by choosing from one of the following categories:

- Method: Cites the paper for its methodology or procedure.
- Background: Cites the paper to provide background information.
- Result: Cites the paper for its findings or results.

Your answer should be a single word from the following list of options: ["Method", "Background", "Result"]. Do not include any other text in your response.

Citation sentence:

Numerous studies have shown an association between concentrations of fine particulate matter and gas pollutants, such as PM10 and SO2 (μg/m3), and risk of death from all causes and from cardiovascular and respiratory illnesses [1–4,32] and indeed for acute cohorts [15].
Result