DR. PRAGYA TRIPATHI et al. 2025. TO EVALUATE AND COMPARE THE EFFECTIVENESS OF ADVANCED PLATELET-RICH FIBRIN (A-PRF) COMBINED WITH 1% METRONIDAZOLE GEL VERSUS A-PRF ALONE IN THE TREATMENT OF CHRONIC PERIODONTITIS OVER A 12-WEEK PERIOD. The Bioscan. 20, 3 (Jul. 2025), 37–50. DOI:https://doi.org/10.63001/tbs.2025.v20.i03.pp37-50.