title: Benign and malignant proliferations of the mammary epithelium: ultrastructural observations.
mesh_terms: D001940:Breast / Q000473:pathology*; D001943:Breast Neoplasms / Q000648:ultrastructure*; D002277:Carcinoma / Q000648:ultrastructure*; D002278:Carcinoma in Situ / Q000648:ultrastructure; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D004848:Epithelium; D005260:Female; D006801:Humans; D006965:Hyperplasia; D008854:Microscopy, Electron; D010212:Papilloma / Q000648:ultrastructure*