https://www.cancer.gov/about-cancer/causes-prevention/risk/tobacco/cigars-fact-sheet
Cigar Smoking and Cancer - NCI
A fact sheet about the health risks associated with cigar smoking.
smoking and cancercigarnci
https://www.mdpi.com/1660-4601/19/7/4084
Relationship between Cigarette Smoking and Cancer Characteristics and Survival among Breast Cancer...
Carcinogenic effects of tobacco smoke may affect breast tumorigenesis. To assess whether cigarette smoking is associated with breast cancer characteristics, we...
smoking and cancerrelationshipcigarettecharacteristicssurvival