In the 1980s, the 67/68Ga transferrin and lactoferrin complexes were used extensively to investigate tumours and their uptake mechanism.109,110 Lactoferrin-bound Ga has been also used to track lymphocytes at the site of inflammation.10667Ga-citrate has shown increased uptake at sites of oedema.111. The gene discussed is LTF; the disease is neoplasm.