Research in the British Medical Journal was scathing: Here are their bullet points: 1  Arthroscopic knee surgery is frequently and increasingly used to treat middle aged and older patients with persistent knee pain.
China, officially the People's Republic of China (PRC), is a sovereign state in East Asia. It is the world's most populous country, with a population of over 1.35 billion.The PRC is a single-party state governed by the Communist Party of China, with its seat of government in the capital city of Beijing.hina is home to at least 551 species of mammals (the third-highest such number in the world), 1,221 species of birds (eighth), 424 species of reptiles (seventh) and 333 species of amphibians (seventh). China is the most biodiverse country in each category outside the tropics.
Mongolia, a sparsely populated, mineral-rich country landlocked between Russia and China, is in an awkward geopolitical spot. For most of the 20th century, it was dominated by the Soviet Union, which installed a puppet regime. Before that, Mongolia was part of the Chinese Empire for two centuries.Today, the country is attempting to steer a more independent path by reaching out to what it calls third neighbors, such as the United States, Japan, South Korea, and the European Union.But geography is implacable.efore that, Mongolia was part of the Chinese Empire for two centuries. Today, the country is attempting to steer a more independent path by reaching out to what it calls third neighbors, such as the United States, Japan, South Korea, and the European Union. But geography is implacable.