00458nas a2200193   4500000000100000008004100001260001300042653000900055653001000064653002500074653001300099653001100112653002900123653001800152100001000170245006800180300000900248490000700257       1997                            d  c1997 Feb10aAsia10aChina10aDeveloping countries10aFar East10aHealth10aHealth Status Indicators10aPublic health1 aGao M00aContinuing improvement in health quality of China's population.  a17-80 v14