title: Ultrastructure of the protoplasm. The 'pioneer' work by A. Bairati and F. E. Lehmann revisited.
mesh_terms: D000656:Amoeba / Q000648:ultrastructure; D000818:Animals; D003585:Cell Biology / Q000266:history*; D002462:Cell Membrane / Q000648:ultrastructure; D003094:Collagen; D003593:Cytoplasm / Q000648:ultrastructure; D049673:History, 20th Century; D007558:Italy; D009685:Nuclear Envelope / Q000648:ultrastructure; D014617:Vacuoles / Q000648:ultrastructure
chemical_list: D003094:Collagen