@BOOK{NAP9814, author = "Institute of Medicine", title = "DPT Vaccine and Chronic Nervous System Dysfunction: A New Analysis", doi = "10.17226/9814", url = "https://nap.nationalacademies.org/catalog/9814/dpt-vaccine-and-chronic-nervous-system-dysfunction-a-new-analysis", year = 1994, publisher = "The National Academies Press", address = "Washington, DC" }