title: [Ultrastructure of chondroblastoma].
mesh_terms: D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000648:ultrastructure*; D002804:Chondroblastoma / Q000648:ultrastructure*; D005260:Female; D005266:Femoral Neoplasms / Q000648:ultrastructure; D006801:Humans; D006811:Humerus; D008297:Male; D013977:Tibia