Publications by authors named "Robert S Carlson"
Aim: To assess plasma zinc and copper concentration in individuals with autism and correlate these levels with symptom severity.
Subjects And Methods: Plasma from 102 autistic individuals, and 18 neurotypical controls, were tested for plasma zinc and copper using inductively-coupled plasma-mass spectrometry. Copper and zinc levels and Cu/Zn were analyzed for possible correlation with severity of 19 symptoms.