高收入地区人均医生数与城镇居民的医疗支出显著正相关，与农村居民医疗支出的关系不显著。
The number of doctors correlates the medical expenditure in cities positively, but shows no significant relation in rural areas.
高收入地区人均医生数与城镇居民的医疗支出显著正相关，与农村居民医疗支出的关系不显著。
The number of doctors correlates the medical expenditure in cities positively, but shows no significant relation in rural areas.
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