Abbott and AstraZeneca have entered into an agreement for Abbott to promote AZ’s cholesterol drug Crestor. Under the terms of the agreement, Abbott will obtain the non-exclusive right to promote the drug alongside AZ in the U.S., excluding Puerto Rico. Financial terms were not disclosed.     This agreement is the second collaboration between the two companies. In 2006, they announced an agreement to develop a fixed-dose combination of the active ingredients in Abbott’s investigati...