Hospital and pharmacy fees from Saturday to Wednesday will cost patients 30 to 50 percent more, the Ministry of Health and Welfare said Thursday. The extra cost is mostly due to the existing system of adding 30 to 50 percent more for medical services received during Saturdays, night times and holidays. But the ministry will also allow additional surcharges for the smaller hospitals, clinics, oriental and dental hospitals and pharmacies that stay open during the Chuseok holidays. Specifically,