A case-control study comparing and correlating iNOS expression among various clinicopathological variants of oral leukoplakia and oral squamous cell carcinoma: A Immunohistochemist... oleh Deepak N Singh, Kumar Chandan Srivastava, Aparna D Potsangbam, Deepti Shrivastava, Doddabasavaiah Basavapur Nandini, Wahengbam T Singh, Koijam S Singh