Middle Aged

Sorbye, L. W. 1990. Homecare at the end of life. A study of fifteen patients. Scandinavian Journal of Caring Sciences. 4 (3) 107-13.
Hirdes, J. P., Brown, K. S., Vigoda, D. S., Forbes, W. F., Crawford, L. 1987. Health effects of cigarette smoking: data from the Ontario Longitudinal Study on Aging. Canadian Journal of Public Health Revue Canadienne de Sante Publique. 78 (1) 13-7.

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