Dr. Saurabh Sharma,Dr. Ashutosh Sharma,Dr. Anita Sharma,Dr. Manaswini Rathore 2025. IRREGULAR & LOSS OF FOLLOWUP AMONG IDU’S ATTENDING AT OST CENTER KOTA, RAJASTHAN: A CROSS SECTIONAL STUDY . International Journal of Pharmacy Research & Technology (IJPRT). 15, 2 (Jul. 2025), 363–373.