Sentence examples for between exposure to external from inspiring English sources
No significant association was found between exposure to external radiotherapy and risk of SPM, except for bone and soft-tissue cancers (RR=2.9, 95% CI: 1.2 7.3).
Convincing evidence exists of an association between exposure to external radiation and an increased risk of thyroid cancer (Ron and Schneider, 2006), but risks from internally deposited radioactive iodines were not well studied until recently.
A study of the UK radiation workers has shown an association between exposure to external gamma rays and the incidence of solid cancer and leukaemia, consistent with risk estimates derived from the A-bomb survivor data (Muirhead et al, 2009a).
A weak association was found between cumulative exposure to external gamma-ray and the incidence of other solid cancers (ERR/Gy=0.07; 95% confidence intervals (CIs): 0.01 0.15), but this association lost its significance after adjusting for internal plutonium exposure.
Positive associations were observed between low-level exposure to external ionizing radiation and mortality.
Overall, there is a low correlation between exposure to radon and exposure to external γ-radiation, LRN or arsenic (R<0.28), whereas fine dust (R=0.57) and silica dust (R=0.63) are relatively highly correlated with radon exposure.
"The fact that pipelines run largely underground reduces their exposure to external threats," said a study concerning infrastructure safety conducted by the Congressional Research Service in 2002.
Interestingly, the transformation almost always occurs after exposure to different agents perceived as "dangerous" – Spider-man with an unintended bite by a transgenic spider, the Hulk by intentional exposure to external beam radiation.
These types of epithelium are notably tough able to endure abrasion and other forms of wear that are associated with exposure to external factors (e.g., food particles).
