Public dental health services in South America. Report of the 7th Gibbs Travelling Scholarship.
D003813:Dentistry; D004497:Education, Dental; D005582:Foundations; D006801:Humans; D007750:Labor Unions; D011636:Public Health Dentistry; D011781:Quackery; D012575:Schools, Dental; D013020:South America; D000078329:Workforce