I have heard a rumor from Amersham in Australia that they are to cease production of cobalt-57 labeled vitamin B12. We use this in the Shilling's test for pernicious anaemia. What is the situation in the UK and is there an alternative supplier of this product? Michael Freemantle Sullivan Nicolaides Pathology PO Box 344 Indooroopilly Q4068 Brisbane Australia 4068 ph +61 (0)7 33778638 fax +61 (0)7 38705989 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%