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.
Hall SL, Stokes A, Tierney EL, London WT, Belshe RB, Newman FC, Murphy BR.Hall SL, et al. Among authors: murphy br.Virus Res. 1992 Mar;22(3):173-84. doi: 10.1016/0168-1702(92)90049-f.Virus Res. 1992.PMID: 1320790
Crowe JE Jr, Collins PL, London WT, Chanock RM, Murphy BR.Crowe JE Jr, et al. Among authors: murphy br.Vaccine. 1993 Nov;11(14):1395-404. doi: 10.1016/0264-410x(93)90168-w.Vaccine. 1993.PMID: 8310760