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Helsinki: Finnish Medical Society Duodecim, 1984
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Ovid Technologies (Wolters Kluwer Health), 1985
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Ovid Technologies (Wolters Kluwer Health), 1985
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Georg Thieme Verlag KG, 1984
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Springer Science and Business Media LLC, 1978
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BMJ, 1985
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BMJ, 1985
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Ovid Technologies (Wolters Kluwer Health), 1984
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Ovid Technologies (Wolters Kluwer Health), 1984
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Springer Science and Business Media LLC, 1984
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Elsevier BV, 1983
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Springer Science and Business Media LLC, 1990
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Springer Science and Business Media LLC, 1982
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BMJ, 1982
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Elsevier BV, 1985
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Elsevier BV, 1984
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BMJ, 1984
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BMJ, 1979
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Springer Science and Business Media LLC, 1990
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Ovid Technologies (Wolters Kluwer Health), 1985