It is estimated that more than 2,500,000 people worldwide suffer from multiple sclerosis, which also is called MS.

VOA: special.2009.01.06

This is one of the reasons it was chosen for the genetic map, also called a genome.

VOA: special.2010.06.29

The party also printed millions of pamphlets that warned against what it called "Cleveland's free trade policies."

VOA: special.2010.05.27

It is also called the City of Angels because Los Angeles means "the angels" in Spanish.

VOA: special.2010.01.03

Honorary authors, also called guest authors, receive credit in a published study but had little to do with designing it or writing the article.

VOA: special.2009.10.08

Russian President Dmitri Medvedev echoed the seriousness of the situation, saying the government is doing everything it can to help people and also called on the police for assistance.

VOA: standard.2009.11.27