https://tobaccoinduceddiseases.biomedcentral.com/articles/10.1186/1617-9625-4-1
https://tobaccoinduceddiseases.biomedcentral.com/articles/10.1186/1617-9625-4-3
https://tobaccoinduceddiseases.biomedcentral.com/articles/10.1186/1617-9625-4-4
https://tobaccoinduceddiseases.biomedcentral.com/articles/10.1186/1617-9625-4-5
https://tobaccoinduceddiseases.biomedcentral.com/articles/10.1186/1617-9625-4-2