I'm on holiday <a href=" http://www.lostvalleyretreat.org/ibuprofen-dosage-chart.pdf#these ">dose de ibuprofeno na pericardite</a> LONDON, July 30 (Reuters) - Tullett Prebon Plc reported a 3 percent drop in first-half revenue on Tuesday, aschallenging market conditions and subdued trading weighed on theinter-dealer broker's business.