A lecture by Dr. Ernst T. Krebs, Jr. The discoverer of Laetrile presents a biochemist's view of the origin of cancer and how nature attempts to control it with a substance called amygdalin. When it is purified and concentrated for cancer therapy, it is called Laetrile. The program is a composite of two public presentations made by Dr. Krebs in October of 1972, recorded and edited by G. Edward Griffin. 60-min. audio cassette. Control for Cancer AC6C_when_purchased_alone$15.00 AC6C_with_any_additional_purchase$12.00 If the discounted price is selected but additional items are not ordered, the undiscounted price will apply even though the discount appears in the shopping cart.