Mas, Francisco G. Soto; Papenfuss, Richard L.; Jacobson, Holly E.; Hsu, Chiehwen Ed; Urrutia-Rojas, Ximena & Kane, William M. Hispanic physicians' tobacco intervention practices: a cross-sectional survey study. [London, United Kingdom]. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc122160/. Accessed April 18, 2014.
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