Such glitches have been observed in other pulsars before, but their cause is unknown.
The cause is unknown -presumed to be multifactorial- with signs noted in early childhood related to abnormalities in behavior, language, and social development.
The cause is unknown, but genetics appear to play a role.
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In other cases, vocal cord paralysis may develop from an unknown cause (idiopathic).
Although the cause would remain unknown, a likely explanation is that something in the laws of gravity needs radical revision.
Random changes in audio: quite what would cause that is unknown.
"What we need looking forward is a standardized approach when you have encephalitis of unknown cause so very important things like this aren't missed, " he said.
The latest version of Bear's theory, published in 2008, holds that similar protein production problems may be at play in many cases of autism of unknown cause.
When Devin was diagnosed, the cause of progeria was unknown and the prognosis was bleak.
Although she suffered a head injury and later died, the exact of cause of death remains unknown.
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The cause of death remains unknown, but experts agreed it was either from suffocation or poisoning, she said.
His cause is almost completely unknown outside of Germany, a quick Google search resulted in no english results.
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Her death certificate listed the cause of death as unknown, because Janelle was never able to afford a proper diagnosis, a diagnosis that with care might have saved her life.
The technique found genetic mutations known to cause intellectual disability in 16 patients, and genes of unknown function that appear to be the cause in another 22 patients.
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The Army said the cause of the accident was unknown, but that terrorist involvement had been ruled out.
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In a disease where the cause and risk factors are unknown, this type of competition is probably the best way to find some basic insights.
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The cause of this condition is unknown, but it is thought that it might be caused by elevated levels of the female sex hormone oestrogen.
The cause of the collapse is unknown.
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The exact cause of spina bifida is unknown, but experts agree women of childbearing age can reduce the risk of their child getting this disease by getting enough folic acid (at least 400 micrograms) from leafy green vegetables, fruits, beans or supplements and vitamin B12 (2.8 micrograms), found in meat and eggs.
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The exact cause of Type 1 diabetes is unknown, but both genetics and environmental triggers play a role.
"At this stage the cause of this tragic death is unknown, " the company said in a statement posted on their Web site.
The cause of pre-eclampsia is unknown, but it is clear that the placenta fails to invade into the wall of the mother's uterus.
The cause of the blaze is still unknown and investigations continue.
While the root cause of the battery overheating remains unknown, the United States federal aviation officials have accepted Boeing's plan to fit all 787s with a revamped battery system and cleared the way for the plane to fly again, although the timing remains uncertain.
She has not aborted the seven-week-old fetus, but it is unknown whether the mistake will cause birth defects or other complications.
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