The epidemiological transition, which has already passed the developed world, is still progressing in many developing countries. A particular problem associated with this transition is the under-diagnosis and lack of treatment of chronic diseases, and these may exhibit SES gradients and...

The epidemiological transition, which has already passed the developed world, is still progressing in many developing countries. A particular problem associated with this transition is the under-diagnosis and lack of treatment of chronic diseases, and these may exhibit SES gradients and...

How to effectively reduce the burden of students has received widespread attention in recent years, A series of burden reduction policies have been issued, yet there exists large dispute over the effectiveness of these policies, To assess the impact of the burden reduction policies, we construct...