sentences:  In 1983, Sterling introduced Panadol to the United States market.In 1988 Sterling Winthrop was acquired by Eastman Kodak which sold the worldwide over the counter drug business to SmithKline Beecham in 1994.Two weeks later, SmithKline Beecham sold the over-the-counter medication business in the United States, Canada and Puerto Rico to Bayer for US$1 billion.