1. ACGIH (American Conference of Governmental Industrial Hygienists) 1992 Zirconium and compounds, Documentation of BEIs and TLVs ACGIH Cincinnati, OH, USA
2. Abraham JL 1980 Microanalysis of human granulomatous lesions Williams JE Davies BH Proceedings of the 8th International Conference on Sarcoidosis Alpha Omega Publishing Ltd Cardiff 38 46
3. The effects of some aluminium and zirconium compounds on guinea-pig peritoneal macrophages and skin fibroblasts in culture;Badenoch-Jones;J Pathol (Berlin),1978
4. Granulomas from topical zirconium in poison ivy dermatitis;Baler;Arch Dermatol,1965
5. Pathology of zirconium and its compounds;Barsi;Rass Med Ind Ig Lav,1963