H. Alvis-Miranda, G. Alcala-Cerra, S. M. Castellar-Leones, H. F. Escorcia, and L. R. Moscote-Salazar, “Latex and silicon allergy related to cerebrospinal shunt hardware: A review”, roneuro, vol. 20, no. 1, pp. 106–115, Mar. 2013.