Interview questions used to gather information about food frequency among those eating an American diet and participating in a study of second primary cancers.
Interview questions used to gather details on consumption of coffee, tea, and other beverages by participants in the Black & White Americans Study.
Questions used to gather information about the use of dietary supplements (pp. 34-36, short form, self-administered).
Interview questions used to gather details on consumption of coffee, tea, and other beverages by participants in a study of digest tract cancer in Shanghai.
Questions used to gather information about food frequency among Americans (pp. 1-34, long-form, self-administered).
Interview questions used to gather details on consumption of coffee, tea, and other beverages by participants in a study of second primary cancers.
Interview questions used to gather information about food frequency among those eating a Shanghai diet, participating in a study of digestive cancer and other disorders.