IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-6-42474 Original Research Paper The Efficacy And Safety Of Phototherapy Among Elderly In A Teritiary Care Centre In Coastal Area Of South India: A Retrospective Study Harshita Battula Dr. Dr. V Sivasubramanian Dr. June 2022 11 6 01 02