@BOOK{NAP1626, author = "Institute of Medicine", editor = "Marilyn J. Field and Kathleen N. Lohr", title = "Clinical Practice Guidelines: Directions for a New Program", isbn = "978-0-309-04346-5", doi = "10.17226/1626", url = "https://nap.nationalacademies.org/catalog/1626/clinical-practice-guidelines-directions-for-a-new-program", year = 1990, publisher = "The National Academies Press", address = "Washington, DC" }