Portfolio: Commercial: Pills: Pills_09_070326_04_02

Illustration for a story on how Merck & Co. and Schering-Plough Corp. planned to develop a single pill that combines their Zetia cholesterol drug with Pfizer Inc.'s Lipitor, the world's top- selling medicine.

Illustration for a story on how Merck & Co. and Schering-Plough Corp. planned to develop a single pill that combines their Zetia cholesterol drug with Pfizer Inc.'s Lipitor, the world's top- selling medicine.