Journal List > Yonsei Med J > v.11(1) > 1027983
Yonsei Medical Journal 1970; 11(1): 67-76.
Published online: 20 February 2002
DOI: https://doi.org/10.3349/ymj.1970.11.1.67
Department of Preventive Medicine & Public Health, Yonsei University College of Medicine, Seoul, Korea.
Copyright © 1970 The Yonsei University College of Medicine