IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-5-35257 Original Research Paper Diurnal Variation In Spirometric Parameters With Body Mass Index And Mean Arterial Pressure Among Apparently Healthy Adults Tanuj Mathur Dr. Prof.Sunita Tiwari Dr. Dr. Ranjana Singh Dr. May 2021 10 5 01 02