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Chen SA, Lee SH, Wu TJ, Chiang CE, Cheng CC, Tai CT, Chiou CW, Ueng KC, Wen ZC, Chang MS.Chen SA, et al. Among authors: wen zc.J Am Geriatr Soc. 1995 Dec;43(12):1370-7. doi: 10.1111/j.1532-5415.1995.tb06616.x.J Am Geriatr Soc. 1995.PMID: 7490388
Chen SA, Chiang CE, Tai CT, Lee SH, Chiou CW, Ueng KC, Wen ZC, Cheng CC, Chang MS.Chen SA, et al. Among authors: wen zc.Circulation. 1996 Jun 1;93(11):2023-32. doi: 10.1161/01.cir.93.11.2023.Circulation. 1996.PMID: 8640978