| Literature DB >> 5685987 |
I S Cooper, M Riklan, S Stellar, J M Waltz, E Levita, V A Ribera, J Zimmerman.
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Year: 1968 PMID： 5685987 DOI： 10.1111/j.1532-5415.1968.tb02755.x
Source DB: PubMed Journal: J Am Geriatr Soc ISSN： 0002-8614 Impact factor: 5.562