title: Subspecialities in nuclear medicine; a requirement.
authors.forename: Rasoul S
authors.initials: RS
authors.lastname: Zakavi
mesh_terms: D005060:Europe; D006115:Greece; D007492:Iran; D009683:Nuclear Medicine / Q000193:education* / Q000458:organization & administration*; D011361:Professional Competence; D013038:Specialization / Q000639:trends*; D014481:United States