1. The Promotion and Development of Traditional Medicine;Report of a WHO meeting,1978
2. Folkemedisin og overnaturlig helbredelse;Efskind;Tidsskr. norske Leageforen,1976
3. Notes from the cancer underground: participation in the Laetrile movement;Markle;Soc. Sci. Med.,1978
4. Plant folklore: a tool for predicting sources of antitumor activity?;Spjut;Cancer Treat. Rep.,1976