The emperors of Southern Dynasties,who were very fond of literature,acted as leaders of many literary groups which consisted of many rising literati of humble origin.

Effect of Vi antigen on assembly of colonization factor antigens from enterotoxigenic Escherichia coli on the cell surface of Salmonella typhi;

He was born poor and low,and his family status were also "low station".

The position and role of poor scholars in the Song Dynasty s imperial massacre;