Munro A
Can J Psychiatry. 1986 Apr;31(3):233-4. doi: 10.1177/070674378603100309.
Folie à deux (shared paranoid disorder) is misleadingly defined in DSM-III. It is not an illness in itself, but a phenomenon associated with delusional psychiatric illnesses. There are two main types of folie à deux. An updated nomenclature is proposed.