Deficits in peripheric and central olfactory measurements in smokers: evaluated by cranial MRI.OBJECTIVES
 The olfactory bulbus (OB) volumes and olfactory sulcus (OS) depths, insular gyrus, and corpus amygdala areas were measured via cranial MRI. 
cranial MRI
In this retrospective study, cranial Magnetic Resonance Imaging (MRI) images of adult male smokers aged ≤ 40 years (n = 51) and 50 healthy male adults were analyzed. 
Magnetic Resonance Imaging