Chronic diseases in developing countries.
D002908:Chronic Disease / Q000188:drug therapy / Q000453:epidemiology / Q000517:prevention & control*; D003906:Developing Countries / Q000191:economics*; D014943:Global Health; D006078:Government Programs / Q000191:economics* / Q000458:organization & administration; D006291:Health Policy / Q000191:economics*; D006801:Humans; D011634:Public Health / Q000191:economics*