TY - BOOK AU - MINAKSHI RANA TI - COMPARATIVE EVALUATION OF GLUTATHIONE LEVELS IN GINGIVAL CREVICULAR FLUID AFTER NON SURGICAL PERIODONTAL THERAPY IN PATIENTS WITH CHRONIC PERIODONTITIS ACLINICO BIOCHEMICAL STUDY PY - 2014/// CY - FARIDABAD PB - MRDC KW - PERIODONTOLOGY ER -