A clinical study on „Soft Laser 632”, He-Ne low energy medical laser. - Senda,A.; Gomi,A.; Tani,T.; Yoshino,H.; Hara,G.; Yamaguchi,M.; Matsumoto,T.; Marita,T.; Hasegawa,J. (Aichi Gakuin Daigaku Shigakkai Shi, 1985)