Phases of biomarker development for early detection of cancer. - Pepe, Margaret Sullivan; Etzioni, Ruth; Feng, Ziding; Potter, John D.; Thompson, Mary Lou; Thornquist, Mark; Winget, Marcy; Yasui, Yutaka; Pepe, M S; Etzioni, R; Feng, Z; Potter, J D; et al. (JNCI: Journal of the National Cancer Institute, 2001)