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- Language: Romanian
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- Language: English
- Year: 2023
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- Language: English
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- Language: English
- Year: 2007
- Author: National Research Council, Division of Behavioral and Social Sciences and Education, Institute of Medicine, Commission on Behavioral and Social Sciences and Education, Committee on National Statistics, Division of Health Care Services, Panel on the National Health Care Survey, Gooloo S. Wunderlich
- Language: English
- Year: 1992
- Author: Calvin G. Parker
- Language: English
- Year: 2009
