... Professional Diode laser therapy machine for pain relief,808nm,500mW,good at reduce pain like ... pain. Professional Diode laser therapy machine for pain relief-MDL500Irradiation treatment principle MDL-50 medical semiconductor laser instrument ... , scathing brain sequela.Dermatology department: canker, bedsore, psoriasis, itch skin, dermatitis, bare fleck, honeycomb system inflammation.Department of ...