title: An electron microscopic study of virus fixed in phosphate-buffered formalin for extended periods.
mesh_terms: D002021:Buffers; D005404:Fixatives; D005557:Formaldehyde; D005587:Fowlpox virus / Q000648:ultrastructure*; D005976:Glutaral; D008854:Microscopy, Electron; D010710:Phosphates; D011108:Polymers; D011212:Poxviridae / Q000648:ultrastructure*; D013997:Time Factors
chemical_list: D002021:Buffers; D005404:Fixatives; D010710:Phosphates; D011108:Polymers; D005557:Formaldehyde; D005976:Glutaral; C003043:paraform