Dietary β-carotene, cigarette smoking, a
✍
Atsuko Shibata; Annlia Paganini-Hill; Ronald K. Ross; Mimi C. Yu; Brian E. Hende
📂
Article
📅
1992
🏛
Springer Netherlands
🌐
English
⚖ 622 KB
A cohort of 5,080 men living in a retirement community in California (United States) and initially free from lung cancer were followed from June 1981 to December 1989. At recruitment, each study participant completed a mailed questionnaire which requested information on the subject's medical history