Incidence Acute respiratory 1 Age 1 Airway management 1 Cancer 1 Cardiovascular disease 1 Childhood 1 Health expectancy 1 Intravenous ketamine 1 Kathmandu 1 Kathmandu Valley 1 Matrioska model 1 Mortality 1 Multistate life table 1 Panel study 1 Prevalence 1 Squatter settlements 1 Sullivan method 1 oxygen desaturation 1