Surface ozone (SOZ) can be very harmful if it exceeds the threshold limit. It can accumulate over sea and can return back to the land along with the breeze. Rural and vegetation rich areas often record elevated levels of surface ozone because of the variations in Volatile Organic Compound (VOC) levels, wind velocity and direction. Similarly methane is also an important greenhouse gas and plays ...

Introduction: Fat plug myringoplasty is an under-used technique to repair a small central tympanic membrane perforation. It easy, quick and cost effective way with minimal morbidity. can be done as OPD procedure. The fat readily available from ear lobe, abdomen buttocks. graft (FGM) noninvasive, but underused surgery for perforations of the membrane. also preferable use in children. tissue has ...