Since approximately 90% of their ad expenditure went on media time and space, they took an understandably keen interest in where it went and what it bought.
Since approximately 65% of the Korean peninsula is mountainous, tunneling cannot be avoided when constructing railroads, high-speed railroads, roads and freeways.
Since approximately March 2010, the slip has increased in magnitude and speed while expanding into the Bungo Channel.
"Since approximately June 2009, while I was staying in Matrosskayua Tishina, my health has deteriorated.
Since approximately 1850, clarinets have been nominally tuned according to twelve-tone equal temperament.
Since approximately 2000, the Dutch Wood Badge training takes place on the Scout campsite Buitenzorg, Baarn, or outdoors in Belgium or Germany under the name 'Gilwell Training'.
Since approximately 1889, when World Champion Wilhelm Steinitz addressed this issue, the overwhelming consensus has been that a perfectly played game would end in a draw.
Since approximately the year 2000, the imported fire ant (IFA) has also been found in China and Taiwan.
Since approximately fifty percent of all lifetime mental disorders arise in the mid-teens [ 4], recent attention has focused on early detection and intervention during adolescence.
Since approximately 40% of topotecan is eliminated by the kidneys, IF-induced renal tubular damage could potentially alter the renal CL of topotecan.
Since approximately 1,500 proteins are likely to be involved in mitochondrial structure and function [ 5], many disease-causing mutations remain unidentified.
