@article{article1f1c2774, title = {Tumor fibroso solitário retrorretal: relato de caso}, author = {Sobrado Júnior, Carlos Walter and Brandalise, André and Carvalho, Leda Viegas de and Nahas, Sérgio Carlos and Kiss, Desidério Roberto and Habr Gama, Angelita}, year = {1998}, journal = {Revista Brasileira de Coloproctologia} }