Akihide Karasawa・K. Kawashima・Hiroo Kasahara ·1979-09-01 ·『Journal of Gerontology』 34(5) pp. 680-686
2件 (「Journal of Occupational Health」)
Paul H. Ptacek・Eric K. Sander ·1963-05-01 ·『Journal of Speech and Hearing Disorders』 28(2) pp. 171-182
2件 (「Journal of Occupational Health」)