Frederik Clauson-Kaas; Pia H Jensen; Ole Stig Jacobsen; René K Juhler; Hans Christian B Hansen (12. marts 2014), "The naturally occurring carcinogen ptaquiloside is present in groundwater below bracken vegetation", Environmental Toxicology and Chemistry, 33 (5): 1030-1034, doi:10.1002/ETC.2533, PMID24464773, Wikidata Q59462622
Frederik Clauson-Kaas; Pia H Jensen; Ole Stig Jacobsen; René K Juhler; Hans Christian B Hansen (12. marts 2014), "The naturally occurring carcinogen ptaquiloside is present in groundwater below bracken vegetation", Environmental Toxicology and Chemistry, 33 (5): 1030-1034, doi:10.1002/ETC.2533, PMID24464773, Wikidata Q59462622
wikidata.org
Frederik Clauson-Kaas; Pia H Jensen; Ole Stig Jacobsen; René K Juhler; Hans Christian B Hansen (12. marts 2014), "The naturally occurring carcinogen ptaquiloside is present in groundwater below bracken vegetation", Environmental Toxicology and Chemistry, 33 (5): 1030-1034, doi:10.1002/ETC.2533, PMID24464773, Wikidata Q59462622