1. A study of drug-taking behavior of older Americans;Guttmann,1978
2. Rabin DL Use of medicine: a review of prescribed and non-prescribed medicine use Washington, DC 1972
3. Drug prescribing for the elderly;Lamy;Hosp Practice,1976
4. An overview of psychotherapeutic drug use in the United States;Mellinger,1974
5. Drug use patterns among the elderly. Cited in Salzman C and Shader RI, Research considerations in geriatric psychopharmacology;Tracy;J Geriatr Psychiat,1974