Sampling of cases and controls is critical in etiologic
case-control studies, where a distinction can be biased between population-based and non-population-based studies.
The second step is to prove the illness has been caused by the etiologic
agent under consideration.
Preinjury employment histories were different between etiologic
agents identified by the Luminex Respiratory Virus Panel * from samples submitted by regional health units during outbreaks, Canada ([dagger]) 2009 spring 2009 spring outbreaks GTA, outbreaks, ([double dagger]) Etiologic
agent Ontario, no.
It suggested an etiologic
role for the "chaotic" family environment in which many borderline patients live, and the noted that they "describe their parents as less caring," she said.
In some hospitals, less than 30 percent of pneumonia patients have an etiologic
agent identified prior to discharge.
In 1983, as head of the Viral Oncology Unit at the Pasteur Institute in Paris, he and his colleagues discovered the human retrovirus, which later became known as HIV-1, the etiologic
agent of AIDS.
pseudomallei is the etiologic
agent of melioidosis in humans and animals.
In this article we hypothesize that environmental exposures in early life may be of particular etiologic
importance and review evidence for the early environmental origins of neurodegeneration.
It has been reported that the etiologic
agent is never identified in 50% of cases.
The two most common etiologic
factors in their stenosis were (1) a long period of intubation and (2) an unsuccessful surgical intervention for treatment of post-thyroidectomy bilateral vocal fold paralysis.
The results are more consistent with nonassociative models of phobia acquisition than with traditional etiologic
theories involving conditioning or social transmission," they said.