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Washington, DC, 1972 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1972 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2008
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Washington, DC, 1978 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1976 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1975 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1979 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1977 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1977 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1980 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1977 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1978 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1969 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2008
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Washington, DC, 1977 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1967 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Washington, DC, 1979 ; Online-Ausg., Chester, Vt: NewsBank, inc, 2009
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Wiley, 2006
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Springer Science and Business Media LLC, 1987
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American Psychological Association (APA), 1943
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BMJ, 2024