title: Structural changes in exposed human cementum. II. Electron microscopic observations.
mesh_terms: D003094:Collagen / Q000032:analysis; D003648:Decalcification Technique; D003739:Dental Cementum / Q000033:anatomy & histology*; D003804:Dentin / Q000033:anatomy & histology; D005612:Freeze Drying; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D010510:Periodontal Diseases; D013194:Staining and Labeling; D014074:Tooth Calcification; D014092:Tooth Root / Q000033:anatomy & histology
chemical_list: D003094:Collagen