No valatille N-nitrosamines detected in blood and urine from patients ingesting daily large amounts of ammonium nitrate.

G Ellen, PL Schuller, P Froeling, E Bruijns - Food and Chemical Toxicology, 1982 - Elsevier
Whole blood and urine from 23 patients ingesting ammonium nitrate daily in amounts
varying from 2.5–9 g were analysed for volatile N-nitrosamines. By contrast with reports in …