RT Journal Article SR Electronic T1 C-14-Urea Breath Test: A New Product and a Word of Caution JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1306 OP 1306 VO 39 IS 7 A1 Helena R. Balon A1 Eileen Roff YR 1998 UL http://jnm.snmjournals.org/content/39/7/1306.1.abstract AB