RT Journal Article SR Electronic T1 Procedure Guideline for Carbon-14-Urea Breath Test JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 2012 OP 2014 VO 39 IS 11 A1 Balon, Helena A1 Gold, Carol A. A1 Dworkin, Howard J. A1 McCormick, Vince A. A1 Freitas, John E. YR 1998 UL http://jnm.snmjournals.org/content/39/11/2012.abstract AB