... characteristics of primary tuberculous disease. From this point the ‘original lesion’ develops in one of two ways, depending on the relative potency of the infecting dose on the one hand and the degree and ... Kuss (1 898 ), Ghon ( 191 2, 191 6, 192 3) and others. The calcified primary complex (Ranke 191 6, 191 9) was often observed in autopsies of persons dying from other causes than tuberculosis, and the ... of activity, and sputum findings were introduced into the British classification; in America many changes in emphasis and other details have been made in the last 50 years, some of them being...