Efficacy and Safety Study of Probucol in Patients With Diabetic Nephropathy

The Catholic university of Korea, Bucheon St. Mary's Hospital, Bucheon-si

Kyungpook National University, Daegu

Yeungnam University Medical Center, Daegu

Gil Hospital, Incheon

Inha University Hospital, Incheon

Chonbuk national University Hospital, Jeonju

Eulji Hospital, Seoul

Kangbuk Samsung Hospital, Seoul

Kangnam Sacred Hospital, Seoul

Korea University Guro Hospital, Seoul

Kyunghee Univ Hospital at Kangdong, Seoul

Samsumg Medical Center, Seoul

Severance Hospital, Seoul

Seoul National University Bundang Hospital, SungNam

St. Vincent Hospital, Suwon

UIJEONGBU ST. MARY's HOSPITAL, Uijeongbu-si