Sam Napolitano

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The U.S. Environmental Protection Agency estimates that residential radon levels in the United States lead to approximately 13,600 lung cancer deaths per year. To address this problem, the Agency has identified three program initiatives that can provide substantial reductions in the public's risks: (1) public information activities that urge the public to(More)
The Authors describe a case of primary carcinoma of the cystic duct as reported in the data od another 29 cases described in literature. The subjects it generally strikes are elderly men and its symptomatology is rather non specific. A preoperative diagnosis is as difficult as ever even with the aid of the most modern diagnostic techniques. The(More)
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