%0 Journal Article %A Peter J. Rizzolo %A Warren P. Newton %T Obscure Gastrointestinal Bleeding %D 1993 %R 10.3122/jabfm.6.4.435a %J The Journal of the American Board of Family Practice %P 435-436 %V 6 %N 4 %U https://www.jabfm.org/content/jabfp/6/4/435.2.full.pdf