Study of 50561 in Patients With Mild or Moderate Alzheimer's Disease

Xuanwu Hospital, Capital Medical University, Beijing

Beijing Anding Hospital, Capital Medical University, Beijing

Beijing Friendship Hospital, Capital Medical University, Beijing

Beijing Tiantan Hospital, Capital Medical University, Beijing

Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou

Heilongjiang Provincial Hospital of Traditional Chinese Medicine, Haerbin

Wuhan Union Hospital of China, Wuhan

The Second Affiliated Hospital of Nanjing Medical University, Nanjing

The First affiliated hospital of SOOCHOW university, Suzhou

The First Bethune Hospital of Jilin University, Changchun

Tianjin Huanhu Hospital, Tianjin

Sir Run Run Shaw Hospital, Hangzhou