Valladares, Ana Cláudia Afonso, Antônia Regina Ferreira Furegato, Ana Maria Pimenta Carvalho, Maria Cecília Morais Scatena, y Ana Elisa Bauer de Camargo Silva. 2004. «Therapeutic Interpersonal Relationship through Graphic Expression With Patients Taken into a General Hospital: Synchrony in Oral and Non-Oral Communication». Rev Rene 5 (1). http://periodicos.ufc.br/rene/article/view/5587.