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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- CHEN E., COBB S. Further study of the nonparticipation problems in a morbidity survey involving clinical examination. J Chronic Dis. 1958 Apr;7(4):321–331. doi: 10.1016/0021-9681(58)90089-4. [DOI] [PubMed] [Google Scholar]
- CHRISTENSON W. N., HINKLE L. E., Jr Differences in illness and prognostic signs in two groups of young men. JAMA. 1961 Jul 29;177:247–253. doi: 10.1001/jama.1961.73040300003006. [DOI] [PubMed] [Google Scholar]
- COBB S., KING S., CHEN E. Differences between respondents and nonrespondents in a morbidity survey involving clinical examination. J Chronic Dis. 1957 Aug;6(2):95–108. doi: 10.1016/0021-9681(57)90044-9. [DOI] [PubMed] [Google Scholar]
