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.
Scheffel U, Dannals RF, Suehiro M, Ricaurte GA, Carroll FI, Kuhar MJ, Wagner HN Jr.Scheffel U, et al. Among authors: ricaurte ga.NIDA Res Monogr. 1994;138:111-30.NIDA Res Monogr. 1994.PMID: 7603538Review.
Szabo Z, Kao PF, Scheffel U, Suehiro M, Mathews WB, Ravert HT, Musachio JL, Marenco S, Kim SE, Ricaurte GA, et al.Szabo Z, et al. Among authors: ricaurte ga.Synapse. 1995 May;20(1):37-43. doi: 10.1002/syn.890200107.Synapse. 1995.PMID: 7624828Clinical Trial.