00570nam a22002057a 4500003000500000005001700005008004100022010000900063011001000072035000900082040000900091082001600100100002000116245009500136260003900231300001100270650003300281650002100314650002900335CHAP20220329133700.0971013s1992            r     00010     d  a9446  a10418  a9655  cCHAP  a631.523bF600aFox, Michael W.  aSuperpigs and wondercornb: the brave new world of biotechnology and where it all may lead  aNew York :bLyons & Burford,c1992  a209 p.14aAcido desoxirribonucléico.14aBiotecnología.14aIngeniería genética.