title: Studies of LDH activity concerning malignant transformation from chronic sinusitis.
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000201:enzymology; D002908:Chronic Disease; D006801:Humans; D007122:Immunoelectrophoresis; D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase / Q000378:metabolism*; D008441:Maxillary Neoplasms / Q000201:enzymology*; D009297:Nasal Mucosa / Q000201:enzymology; D009298:Nasal Polyps / Q000201:enzymology; D010255:Paranasal Sinus Neoplasms / Q000201:enzymology; D012852:Sinusitis / Q000201:enzymology*
chemical_list: D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase