Bristol-Myers Squibb 1Q Revenues: $3.8 billion (-27%)   1Q Earnings: $623 million (-58%)   Comments: Revenues were pounded by patent expiration for Avapro/Avalide (-78%) in March 2012 and Plavix (-95%) in May 2012. U.S. sales decreased 44% to $2.0 billion. International net sales increased 6% to $1.9 billion. Baraclude sales were up 13% to $366 million. Erbitux sales were down 9% to $162 million. Sprycel sales were up 24% to $287 million. Yervoy sales were up 49% to 229 million. Abilify sales w...