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.
Bingham MF, Johnson FR, Miller D.Bingham MF, et al. Among authors: johnson fr.Value Health. 2001 Jan-Feb;4(1):32-44. doi: 10.1046/j.1524-4733.2001.004001032.x.Value Health. 2001.PMID: 11704970Free article.
Hauber AB, Mohamed AF, Watson ME, Johnson FR, Hernandez JE.Hauber AB, et al. Among authors: johnson fr.AIDS Patient Care STDS. 2009 Jan;23(1):29-34. doi: 10.1089/apc.2008.0064.AIDS Patient Care STDS. 2009.PMID: 19113949
Marshall DA, Johnson FR, Kulin NA, Ozdemir S, Walsh JM, Marshall JK, Van Bebber S, Phillips KA.Marshall DA, et al. Among authors: johnson fr.Health Econ. 2009 Dec;18(12):1420-39. doi: 10.1002/hec.1437.Health Econ. 2009.PMID: 19191268Free PMC article.
Ozdemir S, Mohamed AF, Johnson FR, Hauber AB.Ozdemir S, et al. Among authors: johnson fr.Health Econ. 2010 Jan;19(1):111-8. doi: 10.1002/hec.1452.Health Econ. 2010.PMID: 19267358