<正>By September 2011, the basic Medical Isurance System had covered more than 1.25 billion population in China and thus become the largest medical security sys
Based on the national 1% population sample survey in 2005, together with CGSS2006 and CHNS2006,the author explored what effect the movement of rural laborers ha
Using date from the 2000 and 2010 censuses,this paper examines changing patterns of sex ratio at birth(SRB)in China.The two censuses documented increasing SRBs