Lasers in medicine and biology.
D001128:Argon; D002245:Carbon Dioxide; D006371:Helium; D006801:Humans; D053685:Laser Therapy; D007834:Lasers; D008866:Microsurgery; D009354:Neodymium; D009356:Neon; D009885:Ophthalmology / Q000295:instrumentation; D013525:Surgical Instruments; D013653:Tattooing; D015019:Yttrium
D002245:Carbon Dioxide; D006371:Helium; D009354:Neodymium; D009356:Neon; D015019:Yttrium; D001128:Argon