Ulf Björnstig

Unintentional injuries among elderly people: incidence, causes, severity, and costs.

U Björnstig, H. Sjögren, U. Björnstig, 1989, Accident; analysis and prevention.

Trauma in the elderly: the impact on the health care system.

U Björnstig, H. Sjögren, U. Björnstig, 1991, Scandinavian journal of primary health care.