Sentences with phrase «unconventional natural gas development activity»
In the asthma study, we found increased odds among asthma patients of asthma hospitalizations, emergency department visits and a medication used for mild asthma attacks with higher unconventional natural gas development activity, compared to those with lower activity.
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Finally, in our study of symptoms, we found patients with higher unconventional natural gas development activity had higher odds of nasal and sinus, migraine headache and fatigue symptoms compared to those with lower activity.
In all studies, we assigned patients measures of unconventional natural gas development activity.