2 results
Approved WMORecruiting
Primary Objective: To answer the question: How long after the use of a typical recreational dose of nitrous oxide (4 liters, 100%, bolus administration via inhalation) is there a measurable negative impact on psychomotor functioning?Secondary…
Approved WMORecruiting
This research has the goal to determine which treatment is the most effective treatment in terms of prevention of treatment failure, in costs and has the patients preference when comparing PDT, Imiquimod and 5FU.