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《Public health reports (Washington, D.C. : 1974)》1991,106(6):735-738
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《Public health reports (Washington, D.C. : 1974)》1988,103(5):550-556
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《Public health reports (Washington, D.C. : 1974)》1989,104(6):672-673
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《Public health reports (Washington, D.C. : 1974)》1992,107(2):237-241
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《Public health reports (Washington, D.C. : 1974)》1990,105(5):540-544
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《Public health reports (Washington, D.C. : 1974)》1987,102(3):340-347
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《Public health reports (Washington, D.C. : 1974)》1986,101(4):437-446