Letter to the editor

Authors

  • Carlo la Vecchia,

    1. Istihito di Ricerche Fannacologiche “Mario Negti,” and Istituto di Biometria e Statistica Medica, Universita di Milano, 20133 Milan, Italy
    2. Registre Vaudois des Tumeurs, Institut universitaire de médecine sociale et priventive, CHUV 1011 Lausanne, Switzerland
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  • Fabio Levi,

    Corresponding author
    1. Istihito di Ricerche Fannacologiche “Mario Negti,” and Istituto di Biometria e Statistica Medica, Universita di Milano, 20133 Milan, Italy
    2. Registre Vaudois des Tumeurs, Institut universitaire de médecine sociale et priventive, CHUV 1011 Lausanne, Switzerland
    • Registre Vaudois des Tumeurs, Institut universitaire de médecine sociale et priventive, CHUV 1011 Lausanne, Switzerland
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  • Franca Lucchini

    1. Registre Vaudois des Tumeurs, Institut universitaire de médecine sociale et priventive, CHUV 1011 Lausanne, Switzerland
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No abstract is available for this article.

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