title: Electronmicroscopic observation on the paracrystal fraction of spore coats of Bacillus megaterium.
mesh_terms: D001410:Bacillus megaterium / Q000166:cytology*; D002498:Centrifugation; D003460:Crystallization; D008854:Microscopy, Electron; D013170:Spores / Q000166:cytology*