Print Intervention Characteristics/Basic Study Process: Each participant took one placebo and a 24 hour-dose of sustained-release morphine daily, 12 hours apart. For one week participants took the active dose in the morning; for one week they took the active dose in the evening.
Arlington is a principal city in the U.S. state of Texas, located in Tarrant County. It is part of the Mid-Cities region of the DallasâFort WorthâArlington metropolitan area, approximately 12 miles (19 km) east of downtown Fort Worth and 20 miles (32 km) west of downtown Dallas.
Arlington County is a county in the Commonwealth of Virginia. It is coterminous with the U.S. Census Bureau-census-designated place of Arlington, which is the second-largest principal city of the Washington metropolitan area. As a result, the county is often referred to in the region simply as Arlington or Arlington, Virginia.