from the profile of gastrointestinal bleeding , the nsaids could be divided into a group consisting of aspirin ( asa ) , oxaprozin ( oxp ) and 2- [ 4- ( 3-methyl-2-butenyl ) phenyl ] propionic acid ( ta ) , which caused only a transient increase in fecal blood loss based on a gastric lesion , and another group including indomethacin ( im ) and ibuprofen ( ip ) , which produced a biphasic increase in the blood loss .
C0017181
gastrointestinal bleeding
C0019080
blood loss