- Polymorphisms in glutathione S-transferases and non-melanoma skin cancer risk in Australian renal transplant recipients. Fryer, A.A., Ramsay, H.M., Lovatt, T.J., Jones, P.W., Hawley, C.M., Nicol, D.L., Strange, R.C., Harden, P.N. Carcinogenesis (2005)