Medical licensing in most states requires specific training, tests and years of low-paid apprenticeship (internship and residency) under harsh working conditions.
Izin praktik di kebanyakan negara bagian mewajibkan pelatihan khusus, ujian-ujian, dan magang dengan upah rendah selama bertahun-tahun (internsip maupun residen) di bawah kondisi kerja yang berat.