AKKAYA, S. 2004. Maxillary protraction device with chin cup. US Patent and Trademark Office Patent Application Full Text and Image Database .

AKKAYA, S., (2004). Maxillary protraction device with chin cup. US Patent and Trademark Office Patent Application Full Text and Image Database .

AKKAYA, SEVİL. "Maxillary protraction device with chin cup," US Patent and Trademark Office Patent Application Full Text and Image Database , 2004

AKKAYA, SEVİL. "Maxillary protraction device with chin cup." US Patent and Trademark Office Patent Application Full Text and Image Database , 2004

AKKAYA, S. (2004) . "Maxillary protraction device with chin cup." US Patent and Trademark Office Patent Application Full Text and Image Database .

@article{article, author={SEVİL AKKAYA}, title={Maxillary protraction device with chin cup}, journal={US Patent and Trademark Office Patent Application Full Text and Image Database}, year=2004}