- Interferon-gamma gene microsatellite polymorphisms in patients with biopsy-proven giant cell arteritis and isolated polymyalgia rheumatica. Gonzalez-Gay, M.A., Hajeer, A.H., Dababneh, A., Garcia-Porrua, C., Amoli, M.M., Llorca, J., Ollier, W.E. Clinical and experimental rheumatology. (2004)