Massachusetts re-regulates its nurses.
D002568:Certification; D006801:Humans; D007400:Interprofessional Relations; D008008:Licensure, Nursing; D008404:Massachusetts; D009722:Nurse Practitioners / Q000592:standards*; D009729:Nursing / Q000592:standards*; D010823:Physician Assistants / Q000592:standards; D010820:Physicians; D014481:United States