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.
Pradhan S, Zhang C, Jia X, Carson DD, Witt R, Farach-Carson MC.Pradhan S, et al.Tissue Eng Part A. 2009 Nov;15(11):3309-20. doi: 10.1089/ten.TEA.2008.0669.Tissue Eng Part A. 2009.PMID: 19382872Free PMC article.
Pradhan-Bhatt S, Harrington DA, Duncan RL, Jia X, Witt RL, Farach-Carson MC.Pradhan-Bhatt S, et al.Tissue Eng Part A. 2013 Jul;19(13-14):1610-20. doi: 10.1089/ten.TEA.2012.0301. Epub 2013 May 10.Tissue Eng Part A. 2013.PMID: 23442148Free PMC article.