Referencer
- Vanggaard T. Atypiske endogene depressioner. Geigy, København. World Health Organisation (1959): WHO Expert Committee on Mental Health: Sixth Report. Mental Health Problems of the Aging and the Aged. WHO Tech. Rep. Series 171, American Public Health Association, New York 1977, Øvrige referencer se
- Magnussen G. De ældres sind og sindslidelser. Komiteen for Sundhedsoplysning. Østerbrogade 1976; 115: 2100, København Ø