title: Width of the parotid main duct in healthy subjects. A sialographic investigation.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010306:Parotid Gland / Q000033:anatomy & histology* / Q000000981:diagnostic imaging / Q000378:metabolism; D012044:Regression Analysis; D012636:Secretory Rate; D012737:Sex Factors; D012796:Sialography