Dussy FE, Hamberg C, Luginbühl M, Schwerzmann T, Briellmann TA (April 2005). "Isolation of Delta9-THCA-A from hemp and analytical aspects concerning the determination of Delta9-THC in cannabis products". Forensic Science International. 149 (1): 3–10. doi:10.1016/j.forsciint.2004.05.015. PMID15734104.
Verhoeckx KC, Korthout HA, van Meeteren-Kreikamp AP, Ehlert KA, Wang M, van der Greef J, et al. (April 2006). "Unheated Cannabis sativa extracts and its major compound THC-acid have potential immuno-modulating properties not mediated by CB1 and CB2 receptor coupled pathways". International Immunopharmacology. 6 (4): 656–665. doi:10.1016/j.intimp.2005.10.002. PMID16504929.
Jung J, Kempf J, Mahler H, Weinmann W (March 2007). "Detection of Delta9-tetrahydrocannabinolic acid A in human urine and blood serum by LC-MS/MS". Journal of Mass Spectrometry. 42 (3): 354–360. Bibcode:2007JMSp...42..354J. doi:10.1002/jms.1167. PMID17219606.
Skell JM, Kahn M, Foxman BM (February 2021). "Δ9-Tetrahydrocannabinolic acid A, the precursor to Δ9-tetrahydrocannabinol (THC)". Acta Crystallographica Section C. 77 (Pt 2): 84–89. doi:10.1107/S2053229621000280. PMID33536371. S2CID231804940.
Jung J, Kempf J, Mahler H, Weinmann W (March 2007). "Detection of Delta9-tetrahydrocannabinolic acid A in human urine and blood serum by LC-MS/MS". Journal of Mass Spectrometry. 42 (3): 354–360. Bibcode:2007JMSp...42..354J. doi:10.1002/jms.1167. PMID17219606.
Dussy FE, Hamberg C, Luginbühl M, Schwerzmann T, Briellmann TA (April 2005). "Isolation of Delta9-THCA-A from hemp and analytical aspects concerning the determination of Delta9-THC in cannabis products". Forensic Science International. 149 (1): 3–10. doi:10.1016/j.forsciint.2004.05.015. PMID15734104.
Verhoeckx KC, Korthout HA, van Meeteren-Kreikamp AP, Ehlert KA, Wang M, van der Greef J, et al. (April 2006). "Unheated Cannabis sativa extracts and its major compound THC-acid have potential immuno-modulating properties not mediated by CB1 and CB2 receptor coupled pathways". International Immunopharmacology. 6 (4): 656–665. doi:10.1016/j.intimp.2005.10.002. PMID16504929.
Jung J, Kempf J, Mahler H, Weinmann W (March 2007). "Detection of Delta9-tetrahydrocannabinolic acid A in human urine and blood serum by LC-MS/MS". Journal of Mass Spectrometry. 42 (3): 354–360. Bibcode:2007JMSp...42..354J. doi:10.1002/jms.1167. PMID17219606.
Skell JM, Kahn M, Foxman BM (February 2021). "Δ9-Tetrahydrocannabinolic acid A, the precursor to Δ9-tetrahydrocannabinol (THC)". Acta Crystallographica Section C. 77 (Pt 2): 84–89. doi:10.1107/S2053229621000280. PMID33536371. S2CID231804940.