There's still time! Find the perfect Father's Day gift with store pickup | Shop NowThere's still time! Find the perfect Father's Day gift with store pickup | Shop Now
Promotion message icon
Premium Members save an extra 10% and all Members collect stamps to save with Rewards. 10 stamps = $5.Learn More
Formats
In stock
This item is currently out of stock online.
Free standard shipping on orders over $60
Select a store to view item availability.
1. Concepts on the Causal Genesis of Human Intestinal Tumors The action of chemical substances has a significant role in the genesis of human tumors. It is assumed that most human tumors are induced by exogenous chemical noxae (Schmahl, 1970;Heidelberger, 1975; and others). In the course of intensive efforts to discover the principles of tumor etiology, important insights have resulted in recent years. These are that chemical carcinogens do not only arise as products of our tech­ nological ...