Souza, Luís Paulo Souza e, Raiane Katielle Pereira Silva, Renata Guimarães Amaral, Ana Augusta Maciel de Souza, Écila Campos Mota, y Carla Silvana de Oliveira e Silva. 2012. «Childhood Cancer: Feelings Expressed by Children in Chemotherapy During Therapeutic Toy Sessions». Rev Rene 13 (3). http://periodicos.ufc.br/rene/article/view/4011.