Britain and other European governments have been accused of underestimating the health risks from shipping pollution following research which shows that one giant container ship can emit almost the same amount of cancer and asthma-causing chemicals as 50m cars.
Polysomnography (PSG), a type of sleep study, is a multi-parametric test used in the study of sleep and as a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also abbreviated PSG. The name is derived from Greek and Latin roots: the Greek ÏÎ¿Î»ÏÏ (polus for many, much, indicating many channels), the Latin somnus (sleep), and the Greek Î³ÏÎ¬ÏÎµÎ¹Î½ (graphein, to write).
CSG is a multinational corporation headquartered in Greenwood Village, Colorado. It provides Business Support Systems software and services, primarily to the telecommunications industry. CSG was founded by Neal Hansen as a division of First Data in 1982. It became an independent corporation when it was acquired by CSG Holdings in 1994 for $137 million. A contract with Tele-Communications Inc., the largest cable TV business at the time, was influential in the company's growth from $80 million in