Unilat Hypo Nr Atrophy Late Complic of Radiat Therapy of Head & Neck CA, Review of Periph & Cranial Nr Damages after Rad TherapyCancer 35:1537, Cheng,V., 1975
Retropharyngeal AbscessEmedicine.medscape.com Jan, Kahn, J.H. & Shlamovitz, G.Z., 2017