The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 11...
... This might encourage some critics to re-classify individual cases, which effectively turns a controlled epidemiologic study into a case series. This is not considered sound epidemiologic practice, and although the committee believes valuable clinical information can be determined from investigating in full all cases in such a study, the committee discourages such post-hoc changes in study protocol.
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.