THERMOGRAVIMETRIC ANALYSIS OF HUMAN RENAL CALCULI SAMPLED IN 19TH-CENTURY PATIENTS - DISCUSSION ON THE BASIS OF THEIR ALIMENTARY CUSTOMS

TG and DTG curves of human renal calculi of patients living in the nineteenth century in the South of Italy are reported and compared with those of presentday patients. Marked differences in calculi composition are found in the two different historical periods, that are hypothetically discussed in terms of different diets and of alimentary customs of countries of the considered patients.