Kugel, G. Et Al. 2007. Separate whitening effects on enamel and dentin after fourteen days.. Journal of endodontics , vol.33, no.1 , 34-7.

Kugel, G., Petkevis, J., Gurgan, S., & Doherty, E., (2007). Separate whitening effects on enamel and dentin after fourteen days.. Journal of endodontics , vol.33, no.1, 34-7.

Kugel, Gerard Et Al. "Separate whitening effects on enamel and dentin after fourteen days.," Journal of endodontics , vol.33, no.1, 34-7, 2007

Kugel, Gerard Et Al. "Separate whitening effects on enamel and dentin after fourteen days.." Journal of endodontics , vol.33, no.1, pp.34-7, 2007

Kugel, G. Et Al. (2007) . "Separate whitening effects on enamel and dentin after fourteen days.." Journal of endodontics , vol.33, no.1, pp.34-7.

@article{article, author={Gerard Kugel Et Al. }, title={Separate whitening effects on enamel and dentin after fourteen days.}, journal={Journal of endodontics}, year=2007, pages={34-7} }