Methylphenidate is used as part of a comprehensive treatment programme for ADHD. 1  Tablets: 5 mg, 10 mg, 20 mg; these contain small amounts of lactose. RitalinÂ® contains gelatin.  Modified-release tablets: 18 mg , 27 mg , 36 mg, 54 mg; these may contain lactose.
30 Most Valuable Guitars In The World. 1 Fender âReach out to Asiaâ Stratocaster â $2.7 million. The most expensive guitar ever to appear at auction, the âReach out to Asiaâ Fender Stratocaster was sold in order to raise money to help the victims of the 2004 tsunami disaster in the Indian Ocean.
Â£27m viola to make history: Stradivarius dubbed 'the finest in existence' set to become the most expensive musical instrument ever sold. 1719 Macdonald is one of 10 violas by Antonio Stradivari still in existence.