1. Epicdniol Cowmnnioin1YHealth 1993; 47: 444-449
2. PovertY anid popldation;Titmuss, R.,1938
3. Social and biological factors in infant mortality;J, Morris J.Hcady,1955
4. Geographic xvariations in cardiovascular mortality in Grcat Britain. Br. XIed BIitl;Shaper, A.G.,1984
5. The hlealti liide: inequallitie's in ILltil i'l the 1980s;Whitchcad, N.A.,1987