title: Acute head drop after cervical hyperflexion injury.
authors.forename: R F
authors.initials: RF
authors.lastname: Price
mesh_terms: D000208:Acute Disease; D000368:Aged; D000369:Aged, 80 and over; D001696:Biomechanical Phenomena; D002574:Cervical Vertebrae / Q000293:injuries* / Q000503:physiopathology*; D006259:Craniocerebral Trauma / Q000503:physiopathology*; D006801:Humans; D008297:Male; D012720:Severity of Illness Index; D014911:Whiplash Injuries / Q000503:physiopathology