Choose your options below CTA Version: Class 4 Laser Therapy Science & Physiology Product Type: On Demand Multiple formats available, please choose a product format below DC Version: Class 4 Laser Therapy Science & Physiology - On Demand CTA Version: Class 4 Laser Therapy Science & Physiology - On Demand $35.00 - CAT Member $50.00 - NON CAT Member Cancel Add to Cart Add to Cart » Add to Cart »