Certification of osteopathic physicians.
Ramirez
A F
AF
Department of Education, American Osteopathic Association, 142 E Ontario St, Chicago, IL 60611, USA.
Dolan
S
S
D002568:Certification / Q000706:statistics & numerical data; D006801:Humans; D008511:Medicine / Q000706:statistics & numerical data; D010021:Osteopathic Medicine; D013038:Specialization; D013997:Time Factors; D014481:United States