الإتاحة: https://hsrc.himmelfarb.gwu.edu/smhs_biochem_facpubs/110Testhttp://www.ncbi.nlm.nih.gov/pubmed?holding=dcgwulib_fft_ndi&dr=abstract&otool=dcgwulib&term=24089055Test
الإتاحة: https://hsrc.himmelfarb.gwu.edu/smhs_biochem_facpubs/72Testhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC3285325Test/