@BOOK{NAP9269, author = "Institute of Medicine", title = "Research Strategies for Assessing Adverse Events Associated with Vaccines: A Workshop Summary", doi = "10.17226/9269", url = "https://nap.nationalacademies.org/catalog/9269/research-strategies-for-assessing-adverse-events-associated-with-vaccines-a", year = 1994, publisher = "The National Academies Press", address = "Washington, DC" }