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.
Jones TR, Yuan LF, Marwoto HA, Gordon DM, Wirtz RA, Hoffman SL.Jones TR, et al. Among authors: hoffman sl.Am J Trop Med Hyg. 1992 Dec;47(6):837-43. doi: 10.4269/ajtmh.1992.47.837.Am J Trop Med Hyg. 1992.PMID: 1471743
Rickman LS, Jones TR, Long GW, Paparello S, Schneider I, Paul CF, Beaudoin RL, Hoffman SL.Rickman LS, et al. Among authors: hoffman sl.Am J Trop Med Hyg. 1990 Nov;43(5):441-5. doi: 10.4269/ajtmh.1990.43.441.Am J Trop Med Hyg. 1990.PMID: 2240371