Company ranks in 2006 prescription drug sales extremely reshuffled.

The pharmaceutical company rank in 2006 for the prescription drug sales showed an extreme change, implying the severe market competition and that new products launching gave a large impact on the sales.

The top company ranked in the 2006 prescription drug sales was Dong-A at 236,900 million won with big prescription drugs including Zydenar and Stillen although the company faced some d...