Changes in morbidity, disability, and utilization differentials between the poor and the nonpoor: data from the health interview survey: 1964 and 1973
- PMID: 886894
- DOI: 10.1097/00005650-197708000-00004
Changes in morbidity, disability, and utilization differentials between the poor and the nonpoor: data from the health interview survey: 1964 and 1973
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