Novo Nordisk sues Eli Lilly, accusing it of false advertising
By Maggie Fick and Michael Erman LONDON, July 21 (Reuters) - Novo Nordisk sued rival Eli Lilly in a U.S. federal court on Tuesday, accusing the U.S. drugmaker of false advertising in claiming its weight-loss medicines outperform Novo's drugs. The Danish company filed the lawsuit in U.S.