New drug, Cialis, to challenge Viagra in Korea: survey

In the domestic market for male impotence drugs, Lilly's Cialis encompassed 44.4 percent of new prescriptions in December of last year, challenging a dominant rival, Viagra, a recent survey showed.

Lilly Korea said that to investigate the prescription rate of male impotence drugs from last October, the three-time nationwide surveys of 200 urologists were conducted by Hong-Kong-based Acom Mar...