What is the minimum degree needed to become a pediatric surgeon?

Scientists who study the anatomy of the systems in the human body focus their studies on

Which is an example of a long term fitness goal?

“an abused child's thoughts occasionally drift to other, less anxiety-arousing topics; this anxiety reduction thus serves to strengthen 'other' thoughts, while weakening the thoughts about abuse.” a psychologist with which theoretical background would be most likely to offer this quotation as an explanation for the development of dissociative disorders?