Specialization in medicine.
D003695:Delivery of Health Care; D005194:Family Practice; D013502:General Surgery / Q000592:standards; D006666:History of Medicine; D049673:History, 20th Century; D006801:Humans; D007883:Legislation, Medical; D008511:Medicine; D013038:Specialization; D006113:United Kingdom; D014481:United States