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dr. Tanjung Arfaksad Sangkai, Sp.OT – surabayaorthopedi – Your Bone and Joint Solutions
- Orth Felowship : Memorial Orthpaedic Hospital and University Hospital of Hokkaido University Sapporo Japan 1993
- Spesialis Orhopaedi dan Traumatologi FK Unair 1994
- Course : Knee Arthroscopi Unfalklinik Murnau German 1996.
- Course : Shoulder Arthroscopi Med Fac California University, San Diego Shoulder Institute USA 2006