Gatta, Michela, Marta Sisti, Laura Sudati, Marina Miscioscia, and Alessandra Simonelli. “The Lausanne Trilogue Play Within the Outcome Evaluation in Infant Mental Health: A Preliminary Report”. Research in Psychotherapy: Psychopathology, Process and Outcome 19, no. 1 (April 18, 2016). Accessed August 19, 2019. https://www.researchinpsychotherapy.org/index.php/rpsy/article/view/198.