Patterns of referral from family practice.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001291:Attitude of Health Personnel; D002648:Child; D002675:Child, Preschool; D005194:Family Practice; D005260:Female; D013502:General Surgery; D006801:Humans; D007223:Infant; D007400:Interprofessional Relations; D008297:Male; D008511:Medicine; D009518:New York; D010821:Physicians, Family; D011364:Professional Practice; D012017:Referral and Consultation; D012737:Sex Factors; D013038:Specialization