An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Nieser KJ, Cochran AL.Nieser KJ, et al. Among authors: cochran al.BMC Med Res Methodol. 2023 Dec 15;23(1):297. doi: 10.1186/s12874-023-02104-2.BMC Med Res Methodol. 2023.PMID: 38102563Free PMC article.
Alvarez Avendaño SA, Cochran AL, Patterson B, Shah M, Smith M, Zayas-Cabán G.Alvarez Avendaño SA, et al. Among authors: cochran al.Med Care. 2020 Oct;58(10):881-888. doi: 10.1097/MLR.0000000000001375.Med Care. 2020.PMID: 32732782