General Availability in Public Healthcare Institution Users are to consult the respective PHIs for actual inventory availability and supply restrictions/consideration Controlled-Release Tablet 400 mg Alexandra Hospital Changi General Hospital Institute of Mental Health KK Women's and Children's Hospital Khoo Teck Puat Hospital Ng Teng Fong General Hospital National University Hospital Sengkang General Hospital Singapore General Hospital Tan Tock Seng Hospital Woodlands Health Campus