Stable Isotope Ratios in Hair and Teeth Reflect Biologic Rhythms

• Otto Appenzeller ,

  *To whom correspondence should be addressed. E-mail: oarun@unm.edu

  Affiliation New Mexico Health Enhancement and Marathon Clinics Research Foundation, Albuquerque, New Mexico, United States of America

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• Clifford Qualls,

  Affiliation Department of Mathematics and Statistics, University of New Mexico, Albuquerque, New Mexico, United States of America

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• Franca Barbic,

  Affiliation Medicina Interna II, Ospedale L. Sacco, Università degli Studi di Milano, Milan, Italy

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• Raffaello Furlan,

  Affiliation Medicina Interna II, Ospedale L. Sacco, Università degli Studi di Milano, Milan, Italy

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• Alberto Porta

  Affiliation Dipartimento di Tecnologie per la Salute, IRCCS Istituto Ortopedico Galeazzi, Università degli Studi di Milano, Milan, Italy

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