Going back to basic supply and demand, prices can rise for either of two reasons: reduced supply or higher demand.
Certain fruit flies fail to develop eyes, a defect that has been traced to mutations in either of two genes.
Patients with either of two genes associated with autoimmune disorders, HLA-DR2 and HLA-DR4, have gone five years without any progression of the disease.
His wife Ann likes to indulge herself a bit more, though still staying within a reasonably modest budget, driving either of two Cadillac SRX crossover SUVs.
If your gain is earned for more than one year, then you are taxed at either of two capital gains rates, depending on your tax bracket.
If either of two bills working their way through the Senate pass, it could lead to the largest reorganization of the Food and Drug Administration in decades.
The more choices you make throughout the day, the harder each one becomes for your brain, and eventually it looks for shortcuts, usually in either of two very different ways.
However, these concurrent changes could support either of two hypotheses: that crime rises when individuals own more guns, or that individuals purchase more guns to defend themselves against rising crime.
As she reports in the Journal of Animal Ecology, she attempted to imitate the distinction between trees and ground by giving eight possums the opportunity to feed in either of two enclosures.
The final product may take either of two styles: elder brother celadon has a black finish with a crackle effect, while the younger brother variety has a thick, lavender-grey and plum-green finish.
Another drawback: While other Android phones I've tested can be plugged into either a PC or a Mac so you can manually transfer files onto them, I couldn't get the Note to do this with either of two Macs I tested with it.
WSJ: Personal Technology: A Mobile Device That's Better for a Jotter Than a Talker
Researchers at Harvard Medical School found patients with either of two mutations--single-letter changes in their DNA--saw their cholesterol decrease by about 20% less than other patients when they took the same cholesterol-lowering drug, Bristol-Myers Squibb 's (nyse: BMY - news - people ) Pravachol.
But that figure could go higher as a result of the lawsuit brought by hundreds of thousands of people seeking damages for heart problems associated with taking either of two diet drugs made by American Home Products ahp (nyse: ahp - news - people) in combination with another diet drug.
Defending champion Garcia, who never threatened this week, carded his best round of the tournament with a closing 70, featuring a double bogey either side of two birdies early on, to finish in a tie for 22nd at two over.
In fact, he did not mention either of his two key fiscal targets in his speech.
Minnesota's last official Big Ten title in either of the two major sports was in 1982.
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Reimer did not say whether either of those two is a candidate for the job.
Phil Godman crossed either side of two Nick De Luca tries to wrap up victory.
But there has been no evidence in either of the two reports to substantiate such an allegation.
Biden could not find the time to attend either of the two hearings hecalled concerning the Treaty.
Neither Edwards, Hunter nor either of the two donors whose funds were in question testified during the trial.
CNN: Edwards gets acquittal on one count, mistrial on others
The Justicialists' trouble is that neither man looks likely to defeat either of the two likely opposition candidates.
Either of these two visions could have shaped a clear and consistent response to the tumult in the Middle East.
ECONOMIST: The government��s foreign missteps are multiplying
By all early reports so far, the iPad mini is better than either of those two existing devices.
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Anyone who finds either of these two concepts a good idea in times of crisis has not learned anything from history.
Usually, an athlete has a choice to follow either one of two paths when they reach the crossroads of their career.
Green boxes due to be collected on either of the two days are not being picked up until the next collection date.
Then there's the problem of buying a vehicle produced by either of the two American auto companies that took U.S. government bailouts.
There's one last pen-optimized feature that sidesteps the need for either of those two apps: the ability to write notes on any screen.
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With either of the two methods once the transaction is run successfully Paga sends a confirmation SMS to the sender and the recipient.
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