Aggarwal Sandeep Prevalence of gastroesophageal reflux in infants and children less than two years of age, with special reference to 24 hours esophageal PH monitoring. (Supervisor Dr. S. K. Mittal) Aggarwal Sandeep - 2000 Standard No.: 45553 Source: Theses Subjects--Topical Terms: CHILDREN - DISEASES