on the basis of such investigations ( normal urinary excretion of deltaala and of porphobilinogen ; urinary excretion of large amounts of 8- and 7-carboxyl porphyrins ; faecal coproporphyrin and x porphyrin fractions may be increased ) we have been able to classify 14 cases , out of 200 cases of pct that we have observed in the last 7 years , as hereditary pct .
C0032712
porphyrins
C0009988
coproporphyrin