Randomized phase III intergroup trial of isotretinoin to prevent second primary tumors in stage I non-small-cell lung cancer

Scott M. Lippman, J. Jack Lee, Daniel D. Karp, Everett E. Vokes, Steven E. Benner, Gary E. Goodman, Fadlo R. Khuri, Randolph Marks, Rodger J. Winn, Willard Fry, Stephen L. Graziano, David R. Gandara, Gordon Okawara, Charles L. Woodhouse, Brendell Williams, Cherie Perez, Hyung W. Kim, Reuben Lotan, Jack A. Roth, Waun Ki Hong