1. Marcdante KJ, Kliegman R . Nelson: Pediatría Esencial. Elsevier, 2019. https://books.google.co.in/books?hl=en&lr=&id=bcqPDwAAQBAJ&oi=fnd&pg=PP1&dq=Pediatr%C3%ADa+Esencial&ots=GOwKxr7896&si....
2. Natural history of trisomy 13;Wyllie JP;Arch Dis Child,1994
3. Longevity and Patau syndrome: what determines survival?;Peroos S;BMJ Case Rep,2012
4. Multiple congenital anomaly caused by an extra autosome;Patau K;Lancet,1960
5. Zahouani T, Mendez MD. Omphalocele. StatPearls, 2018. https://www.ncbi.nlm.nih.gov/books/NBK519010/.