Nitrous Oxide Symposium – Apr 2022 – Melbourne, VIC + Add to Google Calendar + iCal / Outlook export Hourly Schedule Day 1 8am - 6pm Day 2 8am - 3pm Date 09 Apr 2022 Expired! Location Punthill Apartment Hotel Caroline Springs Melbourne, Victoria Category Relative Analgesia (Nitrous Oxide Sedation) Share this event