@article{3bf4c3f7ccc0491fbd6a48fb0d0af2a7,
title = "Randomized trials, observational studies, and the illusive search for the source of truth",
keywords = "comparative effectiveness research, observational studies, randomized trials",
author = "Mario Gaudino and Emilia Bagiella and Chang, {Helena L.} and Paul Kurlansky",
year = "2022",
month = feb,
doi = "10.1016/j.jtcvs.2020.10.120",
language = "English",
volume = "163",
pages = "757--762",
journal = "Journal of Thoracic and Cardiovascular Surgery",
issn = "0022-5223",
publisher = "Mosby Inc.",
number = "2",
}