Reference Tools

British Medical Journal (abstracts only)

Center for the Evaluation of Risks to Human Reproduction

March of Dimes (MOD)

The Merck Manual of Medical Information—Home Edition

National Association for Biomedical Research

National Human Genome Research Institute (NHGRI/NIH) -- Glossary of Genetic Terms

National Institute of Environmental Health Sciences

National Library of Medicine

aripiprazole tablets

Nature (abstracts only)

The New England Journal of Medicine (abstracts only)

NIOSH Online Version of Chemical Hazards

Occupational Safety & Health Administration (OSHA)

Organization of Teratology Information Services (OTIS)

Rx List—The Internet Drug Index

Spina Bifida Association of America