1. Obstructive lesions of salivary glands;Thurmond;Eye Ear Nose Throat Monthly,1957
2. Salivary gland calculi;Levy;JAMA,1962
3. Secretory sialography in disease of the major salivary glands;Rubin;Am J Roentgenol,1957
4. Radiological appearance of parotid duct calculi;Suleiman;Br J Surg,1980
5. Xeroradiography;Boag;Phys Med Biol,1973