GASES AND GAS MIXTURES FOR MEDICAL AND PHARMACEUTICAL PURPOSES; LIQUID GAS AND DISSOLVED GAS MIXTURES OF OXYGEN AND NITROUS OXIDE FOR MEDICAL AND PHARMACEUTICAL PURPOSES; THERAPEUTIC MEDICAL MIXTURE OF OXYGEN AND NITROUS OXIDE FOR THE PURPOSE OF ANALGESIA, ANXIOLYSIS AND CONSCIOUS SEDATION

GASES AND GAS MIXTURES FOR MEDICAL AND PHARMACEUTICAL PURPOSES, ALSO IN LIQUID OR DISSOLVED FORM, ESPECIALLY MIXTURES OF OXYGEN AND NITROUS OXIDE; THERAPEUTIC MEDICAL MIXTURE OF OXYGEN AND NITROUS OXIDE FOR THE PURPOSE OF ANALGESIA, ANXIOLYSIS AND CONSCIOUS SEDATION