000			00335nam a2200133Ia 4500
008			240715s9999 xx 000 0 und d
020			_a9780816050598
082			_a303.48
100			_aYount, Lisa _944186
245		0	_aBiotechnology and Genetic Engineering
260			_bFacts on File, Inc. _c2004
300			_a316p.
942			_cBK
999			_c258965 _d258965