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  Unhappy triad

  The unhappy triad, also known as a blown knee among other names, is an injury to the anterior cruciate ligament, medial collateral ligament, and meniscus. Analysis during the 1990s indicated that this 'classic' O'Donoghue triad is actually an unusual clinical entity among athletes with knee injuries. Some authors mistakenly believe that in this type of injury, "combined anterior cruciate and medial collateral ligament (ACL- MCL) disruptions that were incurred during athletic endeavors" always present with concomitant medial meniscus injury. However, the 1990 analysis showed that lateral meniscus tears are more common than medial meniscus tears in conjunction with sprains of the ACL.

• Unhappy China

  Unhappy China: The Great Time, Grand Vision and Our Challenges (Chinese: 中国不高兴：大时代、大目标及我们的内忧外患; pinyin: Zhōngguó bù gāoxìng: Dà shídài, dà mùbiāo jí wǒmen de nèiyōu wàihuàn) is a book written by Song Qiang, Huang Jisu, Song Xiaojun, Wang Xiaodong and Liu Yang and published in March 2009. The book, a follow up to China Can Say No , caused controversy, encouraging China to become a hegemon rather than getting cast aside.

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