Sialography using xeroradiography was compared with film recording in 25 patients. In the positive mode, xerography affords better detail, especially in ducts overlying bone, than does film recording.
Glassman LM, O'Hara AE, Cregar D. Xerosialography. Arch Otolaryngol. 1974;100(5):341–343. doi:10.1001/archotol.1974.00780040353004
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