4Makdissi J, Escudier MP, Brown JE, et al. Glandular function after intraoral removal of salivary calculi from the hilum of the submandibular gland [ J ]. Br J Oral Maxillo Surg,2004, 42(6) :538 -541.
6Marchal F. A combined endoscopic and external approach for extraction of large stones with preservation of parotid and submandibular glands [ J ]. Laryngoscope, 2007, 117 ( 2 ) : 373 - 377.