1. http://bodd.cf.ac.uk/BotDermFolder/BotDermC/CANN.html
2. Anaphylaxis to ingestion of hempseed (Cannabis sativa);Stadtmauer;J Allergy Clin Immunol,2003
3. Allergenic properties of naturally occurring cannabinoids;Watson;J Pharm Sci,1983
4. Occupational immediate type allergy to hemp pollen and hashish;Lindemayr;Derm Beruf Umwelt,1980
5. Work-related skin symptoms and type I allergy among astern-Polish farmers growing hops and other crops;Spiewak;Ann Agric Environ Med,2001