"Observational study of gene-disease association. (HuGE Navigator); No association between the GNAS1 polymorphism and prostate cancer risk was apparent. The C/C genotype was more frequent among the prostate cancer patients (22.9%) than the controls (20.7%) without significance (OR 1.30; 95% CI 0.80-2.12; p=0.29)."xsd:string