A. Asano

Family history of cancer and mortality among patients gastrectomized because of benign gastric diseases.

N. Hamajima, K. Aoki, H. Yokoyama, 1990, Environmental health perspectives.

Smoking, alcohol drinking and serum carotenoids levels.

N. Hamajima, K. Aoki, Y. Ito, 1987, Japanese journal of cancer research : Gann.

The long-term prognosis of patients gastrectomized for benign gastroduodenal diseases.

K. Aoki, H. Yokoyama, R. Sasaki, 1987, Japanese journal of cancer research : Gann.

[A comparative study on serum carotene concentrations in inhabitants living in rural areas in Japan and China].

N. Hamajima, K. Aoki, Y. Ito, 1988, Nihon eiseigaku zasshi. Japanese journal of hygiene.

Epidemiological Study on Esophageal Cancer in Japan

N. Hamajima, S. Mizuno, K. Aoki, 1988 .

A workplace-based case-control study of gastric ulcer among male municipal employees in Japan.

N. Hamajima, K. Aoki, R. Sasaki, 1987, Japanese journal of medicine.