Meanwhile, about 20% of adults develop chronic pain, a statistic that's been "very difficult to link … with the severity of injury and the severity of ongoing damage," says MacDonald Christie, a neuroscientist at the University of Sydney in Australia.
Studies assessing incidence of symptomatic RV infection using serological assays and not stool tests are not included, because it is very difficult to link symptoms with blood tests indicating RV.
Other risk factors for CNP identified in this analysis, including the degree of contralateral carotid stenosis, are statistically significant predictors but are more difficult to link clinically with the outcome and have not, to the authors' knowledge, been reported by other groups.
Many studies have been conducted to analyze the online social networks, but it is difficult to link human interests with social network software design.
Until recently, the dearth of techniques for cell type identification in awake animals has made it difficult to link interneuron activity with circuit function, computation and behavior.
It isn't difficult to link these outcomes with the lack of a state mandate for HIV and Sexual Health education.
Animals like whales decline slowly once their hearing is gone, making it difficult to link a death directly with the seismic tests, he added.
However, it has been difficult to link abnormal PPI consistently with any clinical manifestation of schizophrenia, such as positive or negative symptoms or even cognitive deficits [ 25].
However, it is difficult to link these two characters with mechanisms sustaining a low diversification rate (influence on speciation and/or extinction).
Since endogenous agonist binding properties and cell surface receptor expression levels are normal for this Val103Ile polymorphism, it had been difficult to link the Ile103 allele with a potential molecular effect.
