Sumattra Tanasrivanitchai. 1997. Skeletal and soft tissue profile changes after incisor retraction in adult. Graduate School, Chiang Mai University;
Sumattra Tanasrivanitchai. (1997) Skeletal and soft tissue profile changes after incisor retraction in adult . Chiang Mai University/Chiang Mai.
Sumattra Tanasrivanitchai. Skeletal and soft tissue profile changes after incisor retraction in adult. . Chiang Mai:Chiang Mai University, 1997.
Sumattra Tanasrivanitchai. (1997) Skeletal and soft tissue profile changes after incisor retraction in adult . Chiang Mai University/Chiang Mai.