[Physicians' assistants in the USA].
D008502:Medical Secretaries; D008511:Medicine; D009722:Nurse Practitioners; D010823:Physician Assistants; D010820:Physicians / Q000600:supply & distribution; D010821:Physicians, Family; D013038:Specialization; D014481:United States
Pomoshchniki vracheĭ v SShA.