title: [Comparison of hydroxyapatite contained in the formalin-fixed and untreated sialoliths].
mesh_terms: D003460:Crystallization; D005260:Female; D005557:Formaldehyde / Q000494:pharmacology*; D006801:Humans; D006882:Hydroxyapatites / Q000032:analysis*; D008297:Male; D011309:Preservation, Biological; D012465:Salivary Duct Calculi / Q000378:metabolism*; D013055:Spectrophotometry, Infrared; D014961:X-Ray Diffraction
chemical_list: D006882:Hydroxyapatites; D005557:Formaldehyde