title: Excessive collimation.
authors: Northwestern Memorial Hospital School of Radiography in Chicago, Illinois, USA.
authors: Thomas G
authors: TG
authors: Sandridge
mesh_terms: D000465:Algorithms; D006801:Humans; D011829:Radiation Dosage; D011835:Radiation Protection / Q000379:methods*; D013679:Technology, Radiologic / Q000193:education / Q000379:methods*