N Y State Dent J. 2008 Apr; 74(3):41-3.

[N Y State Dent J. 2008]

Dtsch Zahnarztl Z. 1965 Aug 1; 20:922-4.

[Dtsch Zahnarztl Z. 1965]

Ann Hum Biol. 2008 May-Jun; 35(3):294-321.

[Ann Hum Biol. 2008]

J Exp Zoolog B Mol Dev Evol. 2006 May 15; 306(3):234-50.

[J Exp Zoolog B Mol Dev Evol. 2006]

J Clin Pediatr Dent. 2008 Winter; 32(2):139-46.

[J Clin Pediatr Dent. 2008]