Cuadrado ML, Aledo-Serrano A, Jorquera M, Porta-Etessam J, Pareja JA. A new lacrimal neuralgia, a new nerve blockade procedure. Cephalalgia. 2014 Oct;34(12):1030-1. doi: 10.1177/0333102414526794. PubMed PMID: 24623125.