Leisure-Time Physical Activity and Related Lifestyle Characteristics Among Middle-aged Japanese. 論文 Nobuo Iwai・Nobuo Yoshiike・Shigeyuki Saitoh・Takayuki Nose・Toshio Kushiro・Heizo Tanaka ·2000-01-01 ·『Journal of Epidemiology』 10(4) pp. 226-233 doi:10.2188/jea.10.226