title: The instability of isoniazid and acetylisoniazid in frozen plasma.
mesh_terms: D004355:Drug Stability; D005615:Freezing; D007538:Isoniazid / Q000031:analogs & derivatives* / Q000097:blood*; D010949:Plasma / Q000032:analysis; D013053:Spectrophotometry
chemical_list: D007538:Isoniazid