can anyone tell me how this reference is in the exams and if it cross references with some other resources?
also, is it a reference for PDD and PPD or only one or the other?
is chapter 4 AND chapter 5 required?
another poster stated that studying "Chapter 5, even more specifically 5.2.1." was important. does this sound right? are there more sections to study?
i'm a little confused about this reference being so solidly recommended and am a bit curious about how it even entered the picture.
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