A sector of the economy in which an aggregate of commercial enterprises is engaged in manufacturing and selling the soft, moist, slightly cohering mass deriving from wood that is used to produce paper sheets, cardboard and other paper products. (Source: RHW)
The most commonly used system is a cofactor-supplemented post-mitochondrial fraction (S#) prepared from the livers of rodents treated with enzyme-inducing agents such as Aroclor # or a combination of Phenobarbitone and ß-naphthoflavoneEurLex-2 EurLex-2