0.16 William W. Dressler Jose Ernesto Dos Santos Philip N. Gallagher_ Jr.Fernando E. Viteri, Arterial Blood Pressure and Modernization in Brazil, American Anthropologist, 1987.

{ data sample variables societies }	0.22
{ disease medical health medicine }	0.16
{ number data group table }	0.09
{ economic labor market production }	0.08