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1
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2Published 1978“...Conservation Foundation,...”
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3
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4Published 1990“...Reason Foundation,...”
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5
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6
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7
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8Published 2005“...Horizons Foundation,...”
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9
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10Published 1984“...Pride Foundation,...”
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11Published 2005“...Horizons Foundation,...”
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12
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13
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14
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15
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16Published 1983“...Addiction Research Foundation,...”
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17
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18Published 1990“...California Engineering Foundation,...”
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19
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20Published 2000“...Russell Sage Foundation,...”
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