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.
Ayani I, Aguirre C, Gutiérrez G, Madariaga A, Rodríguez-Sasiaín JM, Martínez-Bengoechea MJ.Ayani I, et al.Pharmacoepidemiol Drug Saf. 1999 Dec;8(7):529-34. doi: 10.1002/(SICI)1099-1557(199912)8:7<529::AID-PDS460>3.0.CO;2-J.Pharmacoepidemiol Drug Saf. 1999.PMID: 15073897