In 2011, a polio outbreak in China was traced back to Pakistan.

And this single scenario stemmed from a single study that was traced back to a report by the environmental organization Greenpeace.

Surely, this sentiment can be traced back to the US invasion and forcible overthrow of Saddam Hussein.

This type of pattern was called diapering and eventually gave its name to the cloth used to make diapers and then to the diaper itself, which was traced back to 1590s England.

The concept of the big bang can be traced back to the discovery of the microwave background radiation in 1965.

However, the origins of modern biology and its approach to the study of nature are most often traced back to ancient Greece.

It can even be traced back to the fins of certain fossil fishes from which the first amphibians evolved such as tiktaalik.

Syrian blogger Anas Qtiesh wrote a post about the findings that clearly show that the fake statement and website were easily traced back to regime affiliates.

Through DNA tests (as aired on the 2006 PBS documentary African American Lives ), Tucker's patrilineal ancestry was traced back to the Ambundu ethnic group of Angola and one line of his mother's to the Bamileke of Cameroon.

They're immensely powerful social institutions and many of their features can be traced back to earlier features that we can really make sense of by reverse engineering.

This pattern can be traced to 1967.

Its roots can be traced to the Middle Ages.

and said ' This is no more than traced sorcery

Sweden's doctrine of neutrality is often traced back to the 19th century as the country has not been in a state of war since the end of the Swedish campaign against Norway in 1814.

Her name can be traced to the 7th century, and veneration of her was common, especially in the East, from the 9th century.

The team has a complex history it can be traced back to Tyrrell Racing, who competed as a constructor from 1970 until 1998, until being bought by British American Tobacco to become British American Racing in 1999.

Assets of a considerable value could not be traced, nor could their existence be confirmed.

Some aspects of MUMPS can be traced from Rand Corporation's JOSS through BBN's TELCOMP and STRINGCOMP.

Back then, I was there.

The diplomatic clashes can be traced to changes in the balance of power in Europe since 1870.

This was the first time that Dallas played on back to back Thursdays.

There was no motorcade back there.

Mary's back pain was torturing her.

Sami was back in Layla's life.

Layla was coming back to Cairo.

Sami was brought back to justice.

Sami was nursed back to health.

Sami was on his route back.

The emergence of Latin America s powerful drug mafias cannot be traced to the radical evil of certain individuals.

As for the Iraqi Special Tribunal (paras. 42 43), he expressed his concern at the manner in which trials were being conducted and identified a number of shortcomings, some of which could be traced back to the manner and circumstances of the Tribunal's establishment.

Put the book back where it was.

I was wondering when you'd be back.

Sami was back from the health center.

Sami was giving Layla a back massage.

Then he turned back and was proud

Then he turned back and was proud .

Then he turned back and was arrogant

Then he turned back and was haughty

Both threats to America s future can, in no small measure, be traced to the wars in Afghanistan and Iraq.

This shelter is a temporary measure until the children's families are traced or better family placement opportunities are identified.

When Khrushchev came back, he was smiling Sputnik s launch was successful.

His back was trampled on until he was wounded all over.

The drop in the saving rate can be readily traced to a massive increase in the rate of household consumption.

We got back on shore he was fine.

We came back that issue was not addressed.