1. The biomedical effects of laser application
2. Macrophage responsiveness to light therapy
3. Low level laser therapy: A review
4. 4. Caspers, K. (1977). Laser stimulation therapy. Physics and Medical Rehabilitation 18(9), 426-445.
5. 5. Ribari, O. (1981). The stimulating effect of low power laser rays: Experimental examinations in otorhinolaryngology. Reviews in Laryngology 102, 531-533.