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Referral and Consultation
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66
Physicians
36
Humans
15
Patients
12
United States
12
Primary Health Care
8
Diagnosis
7
Health Services Accessibility
7
Urine
7
California
6
Medicaid
5
Pulse
5
Specialization
5
World Health Organization
5
Aged
4
State Government
4
Child
3
Community Health Centers
3
Death
3
France
3