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TABLE 2: Depth of left and right olfactory sulci in control subjects and IA patients with a visible olfactory sulcus in the PPTE
Depth Control Subjects (n = 8) Patients with IA (n = 14)
Deeper olfactory sulcus left 2 1
Deeper olfactory sulcus right 3 11
Equal depth on right and left 3 2
Depth	Control Subjects (n = 8)	Patients with IA (n = 14)
Deeper olfactory sulcus left	2	1
Deeper olfactory sulcus right	3	11
Equal depth on right and left	3	2