An article from Time magazine, so not very in-depth, but still rather interesting.
There's some links to other Time articles that I also found interesting.
Excerpt:
QuoteThe research, which was published in the Proceedings of the National Academy of Sciences, suggests that abused children who develop post-traumatic stress disorder (PTSD) may experience a biologically distinct form of the disorder from PTSD caused by other types of trauma later in life.
http://healthland.time.com/2013/04/30/abused-children-may-get-different-form-of-ptsd/
Interesting read Dutch Uncle. Thanks