SPECIAL TOPICS I was then Director of Biological Research of a pharmaceutical company just west of the Hackensack River swamps when my collabora tors presented me with an impressive book. Its gold-embossed title read: WHAT I KNOW ABOUT BIOLOGICAL RESEARCH by GERHARD ZBINDEN, M. D. . Those acquainted with the subtleties of American humor will have guessed the book's content: about 700 empty pages. But I liked the idea enough to write down what I knew about my branch of biologi Ical research, drug toxicology. With gentle prodding by Dr. Parkhurst IShore of Dallas, Texas, I assembled a review on...