SEPPÄLÄ MAARIA 550,824 Sleep and hypnotics in the elderly : epidemiological and pharmacological studies in an urban community and in nursing homes : academic dissertation / by Haaria Seppala ; from the Department of Geriatrics University of Turku. - Turku : [Turun Yliopisto], 1992. - 86, 120 s. wiele liczb. : wykr. ; 25 cm (Annales Universitatis Turkuensis. Ser. D. Medica-Odontologica, ISSN 0355-9483 ;99) Zawiera 5 prac współaut. ISBN 951-880-849-X