552,061 SONN ULLA Longitudinal studies of dependence in daily life activities among the elderly: methodological development, use of assistive devices and relation to impairments and functional limitations : [akademisk avh. ] / by Ulla Sonn from the Department off Geriatric Medicine, Göteborg UnivJäity, Sweden. - Göteborg : University, 1995. - 113 s. wiele liczb. x wykr. 24 cm Zawiera 5 prac współaut. Rehabilitation Medicine and the Departmnt of ISBN 91-628-1543-1