Wyeth is trying to counter the lawyers by settling the most damaging cases--the ones with sympathetic, high-earning plaintiffs or strong evidence of heart damage on an echocardiogram--and pushing the weak ones in front of juries.

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Marketed drugs such as Singulair only target some types of leukotrienes and may not hit the ones involved in heart disease.

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The Philippine government's Heart Center in Manila attracts as many affluent patients as poor ones because of its high standards of medical expertise.

CNN: HOSPITALS IN FLUX