18. Professional identification: issues in licensing and certification.
D002568:Certification / Q000331:legislation & jurisprudence; D005817:Genetic Counseling; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008004:Licensure; D008007:Licensure, Medical / Q000266:history; D008403:Mass Screening / Q000331:legislation & jurisprudence; D014481:United States