"Entrez Gene: complement component 6 C6 complement C6 (Homo sapiens (human)) Gene ID: 729". www.ncbi.nlm.nih.gov. 24 November 2020. Retrieved 9 December 2020. https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=729
"Entrez Gene: complement component 6 C6 complement C6 (Homo sapiens (human)) Gene ID: 729". www.ncbi.nlm.nih.gov. 24 November 2020. Retrieved 9 December 2020. https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=729