Soares, M. L., Coelho, T., Sousa, A., Holmgren, G., et al. (2004). Haplotypes and DNA sequence variation within and surrounding the transthyretin gene: Genotype-phenotype correlations in familial amyloid polyneuropathy (V30M) in Portugal and Sweden. European Journal of Human Genetics, 12(3), 225 - 237.