Objective:To observe the therapeutic effect of Quartet Therapy on rheumatoid arthritis(RA) in active stage.

目的：观察四联疗法对活动期类风湿性关节炎（RA）的疗效。

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As one of Ligeti maturity stage of works, the music style of String Quartet No. 2 was individual and vivid.

里盖蒂的《第二弦乐四重奏》作为他成熟时期的一部作品，其音乐风格鲜明而富有个性。

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Beck was joined on stage by Dublin-based rockabilly quartet The Imelda May Band.

BBC: Jeff Beck honours Les Paul with intimate New York gig

On stage 16, the riders must negotiate the legendary quartet of Col de Peyresourde, Col d'Aspin, Col du Tourmalet and Col d'Aubisque on a 196km ride from Bagneres-du-Luchon to Pau.

BBC: Pyrenees will star in 2010 Tour