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Rada RT, Kellner R.Rada RT, et al.J Am Geriatr Soc. 1976 Mar;24(3):105-7. doi: 10.1111/j.1532-5415.1976.tb04280.x.J Am Geriatr Soc. 1976.PMID: 765388Clinical Trial.
Rada RT, Meyer GG, Kellner R.Rada RT, et al.J Nerv Ment Dis. 1978 Aug;166(8):580-7. doi: 10.1097/00005053-197808000-00005.J Nerv Ment Dis. 1978.PMID: 681918No abstract available.