Several recent studies have reported associations between short term changes in air
pollution and respiratory hospital admissions. Most of those studies analyzed locations …

BACKGROUND--Several recent studies have reported associations between short term
changes in air pollution and respiratory hospital admissions. This relationship was …

We investigated the association between air pollution and hospital admissions for chronic
obstructive pulmonary disease and pneumonia among the elderly in Minneapolis-St. Paul …

We conducted a time-series analysis of daily hospital visits and air pollution data to assess
acute effects of air pollution on daily unscheduled outpatient visits to internal medicine …

The causal interpretation of reported associations between daily air pollution and daily
admissions requires consideration of residual confounding, correlation between pollutants …

STUDY OBJECTIVE: To review the issues and methodologies in epidemiologic time series
studies of daily counts of mortality and hospital admissions and illustrate some of the …

To investigate the acute respiratory health effects of ambient air pollution, the number of
emergency or urgent daily respiratory admissions to 168 acute care hospitals in Ontario …

Several recent studies have reported associations between short-term changes in both
inhalable particles (PM 10) and carbon monoxide and cardiovascular hospital admissions …

Data collected at a community-based hospital in Beijing, China, were analyzed in an
assessment of the association of air pollution with daily outpatient visits. Total suspended …

This paper reports the results of an investigation of the acute effects of air pollution in 321
nonsmoking adults residing in Southern California. Previous epidemiologic investigations of …