RT Journal Article SR Electronic T1 Obscure Gastrointestinal Bleeding JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 435 OP 435 DO 10.3122/jabfm.6.4.435 VO 6 IS 4 A1 John V. Jurica YR 1993 UL http://www.jabfm.org/content/6/4/435.1.abstract AB