Tannuri, Ana Cristina Aoun, Julio Americo Pereira Batatinha, Manoel Carlos Prieto Velhote, and Uenis Tannuri. 2013. “Conjoined Twins: Twenty years’ Experience at a Reference Center in Brazil”. Clinics 68 (3): 371-77. https://doi.org/10.1590/clin.v68i3.72136.