1.
Crescentini F, Deutsch F, Sobrado CW, Araújo S de. Umbilical mass as the sole presenting symptom of pancreatic cancer: a case report . Rev. Hosp. Clín. [Internet]. 2004 Jan. 1 [cited 2024 May 3];59(4):198-202. Available from: https://revistas.usp.br/rhc/article/view/30368