Chronic disease prevention and control World Health Organization 2 Asthma prevention and control 1 Chronic disease epidemiology 1 Chronic disease mortality 1 Cost of illness 1 Delivery of health care 1 Delivery of the health care 1 Developing countries 1 Diabetes mellitus type 2 prevention and control 1 Guidelines 1 Health priorities 1 Health programs and plans 1 Preventive health services 1 Primary health care 1 Pulmonary disease, chronic obstructive prevention and control 1 Research 1 Research support 1