A double-blind, randomized, placebo-controlled, cross-over study on the pharmacokinetics and effects of cannabis
Mensinga, T. T., de Vries, I., Kruidenier, M., Hunault, C., van Hengel-Koot, I. S., Fijen, J. W., Leenders, M. E. C. & Meulenbelt, J., 2006, Bilthoven: RIVM-report 267002002/2006. 52 p.