If you are experiencing problems downloading PDF or HTML fulltext, our helpdesk recommend clearing your browser cache and trying again. If you need help in clearing your cache, please click here . Still need help? Email firstname.lastname@example.org
Authors: Iwasaki K.-i.; Sasaki, T.; Hirayanagi, K.; Yajima, K.
Document Type: Research Article
Affiliations: Department of Hygiene/Space Medicine, School of Medicine, Nihon University 30-1 Oyaguchi, kami-machi, Itabashi-ku, 173, Tokyo, Japan
Publication date: August 1, 2001