Istituto di Ricerche Farmacologiche “Mario Negri” 20157 Milan, Italy Istituto di Statistica Medica e Biometria Università di Milano 20133, Milan, Italy Field and Intervention Study Unit International Agency for Research on Cancer 150 Cours A. Thomas 69372 Lyon Cedex 08, France Fax: (+39) 02 33200231 E-mail: [email protected]
Discussion(0)
No comments yet. Be the first to comment.