Dialectical Behavior Therapy (DBT) Flashcards-Skills Reference Cards set. Over 40 beautiful cards in heavy 5ml. lamination with DBT Skills Carrying Case. Based upon Dr. Marsha Linehan's genuine and rigorously studied model of psychotherapy called DBT. Dr. Linehan is the authority on DBT and these cards reinforce the DBT Skills as taught by her in the Skills Manual. Carrying case has embellishment of DBT Skills printed on the outside of the case.