text_1: Study: New blood thinner works as well as Coumadin
text_2: The story is based on a preliminary report presented at a scientific meeting. The results of the study in question have not been analyzed completely and have not been subjected to peer review. Although the study results appear to be good news, we really won’t know until the entire study is published. Sometimes journalists on deadline at a scientific conference with hundreds and hundreds of papers being presented may forget to remind readers that there are limitations to the conclusions that can be drawn from talks presented at meetings because they have not been published, the full data have not been released, and the work has not undergone the kind of full review that a journal would employ before publishing. These are all important caveats