Risks of cannabis consumptions

Journal/Book: Dtsch Med Wochenschr. 1996; 121: P O Box 30 11 20, D-70451 Stuttgart, Germany. Georg Thieme Verlag. 321.

Note: Letter A Uchtenhagen, Univ Zurich, Psychiat Klin, Militarstr 8, CH-8021 Zurich, Switzerland