000 00345nam a2200157Ia 4500
001 2819
008 240324s9999 xx 000 0 eng
020 _a9780323040464
082 _a617.6
_bP R C
100 _aWilliam R. Proffit
245 0 _aContemporary orthodontics
250 _a4
260 _c2007
300 _a751
999 _c5607
_d5607