Asked whether the company would continue selling 3-Nitro abroad , a Pfizer scientist said the company was informing other countries ' regulatory systems of the U.S. action but did not say that sales would be suspended . Study found that the livers of chickens given the drug contained low levels of a carcinogen . Suspension does not kick in for 30 days . Comment:
Study found that the livers of chickens given the drug contained low levels of a carcinogen . Suspension does not kick in for 30 days . Comment: