P•A•I•N (pāėn), tri·gem·i·nal neu·ral·giaPersistent idiopathic facial pain (PIFP): An unexplored entity https://www.medicalindependent.ie/clinical-news/persistent-idiopathic-facial-pain-pifp-an-unexplored-entity/ Share this:Tweet Share on Reddit (Opens in new window) Reddit Share on WhatsApp (Opens in new window) WhatsApp More Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Like Loading... Related