title: Electron microscopic observations of mitotic Langerhans' cells as possible sign of retinoid-induced stimulation.
mesh_terms: D005050:Etretinate / Q000494:pharmacology; D006801:Humans; D007801:Langerhans Cells / Q000187:drug effects / Q000648:ultrastructure*; D008938:Mitosis / Q000187:drug effects*
chemical_list: D005050:Etretinate