000			004270a00a22001690004500
022			_a0007-0610
040			_aNational Dental Association
245			_aBritish Dental Journal
250			_bSLML:149(July-Dec 1980);180/181(1996)
260			_bLondon:National Dental Association
260			_a1980
260			_c1996
942			_2ddc
999			_c5418 _d5418