Bird, H A A comparison between gastrointestinal blood loss caused by tilcotil (Ro 12-0068) and aspirin in normal volunteers. [electronic resource] - Current medical research and opinion 1982 - 9-13 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0300-7995 Standard No.: 10.1185/03007998209109750 doi Subjects--Topical Terms: Acetylglucosaminidase--urineAdultAnti-Inflammatory Agents--adverse effectsAspirin--adverse effectsFemaleGastrointestinal Hemorrhage--chemically inducedHumansKidney--drug effectsMaleMiddle AgedPiroxicam--analogs & derivativesThiazines--adverse effects