Sleep problems in the aged in relation to senility.
Kayukawa Y, Kogawa S, Tadano F, Imai M, Hayakawa T, Ohta T, Nakagawa T, Shibayama H.
Kayukawa Y, et al. Among authors: kogawa s.
Psychiatry Clin Neurosci. 1998 Apr;52(2):190-2. doi: 10.1111/j.1440-1819.1998.tb01024.x.
Psychiatry Clin Neurosci. 1998.
PMID: 9628145
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