"They laughed when I sat down at my test tubes." That is how the - University of California's Nobel-prizewinning Virologist Wendell M. Stanley might have begun his San Francisco lecture. For many physicians thought that Stanley had gone much too far when he suggested that viruses, or virus-like particles, might be responsible for all forms of cancer. But in support of his hypothesis, Stanley last week marshaled a phalanx of evidence from more than a dozen high-powered researchers as well as from his own laboratories.
Said Stanley: "Since there is no evidence that human cancer...