The exact cause of lichen planus is unknown. It may be related to an allergic or immune reaction. Risks for the condition include: Exposure to medicines, dyes, and other chemicals (including gold, antibiotics, arsenic, iodides, chloroquine, quinacrine, quinide, phenothiazines, and diuretics)
Closest Airport to Killeen, TX. The closest airport is Robert Gray Army Air Field Airport (GRK). Distance from Robert Gray Army Air Field Airport to Killeen is 11,1 kilometers (6,9 miles).
Killeen is a city in Bell County, Texas, The United States. The population was 86,911 at the 2000 census. As of 2009, Killeen had 119,510 people. In 2010 Killeen's population shot to 127,921. Then in 2011 the population shot up to 140,021.[citation needed] It is a principal city of the KilleenâTempleâFort Hood Metropolitan Statistical Area.