• Characterization of two cyclooxygenase genes in the coral Gersemia fruticosaJärving, Reet; Järving, Ivar; Kurg, Reet; Varvas, Külliki; Valmsen, Karin; Brash, Alan R.; Samel, Nigulas2nd Joint Symposium on "Plant Oxylipins" : June 12-14, 2003, Göttingen, Germany (invited lecture)2003 / ? p
• Effect of selective inhibitors on arachidonic acid metabolism in the soft coral Gersemia fruticosaVarvas, Külliki; Järving, Ivar; Valmsen, Karin; Koljak, Reet; Samel, NigulasProstaglandins leukotrienes and essential fatty acids1996 / p. 82
• Endoperoxide pathway in prostaglandin biosynthesis in the soft coral Gersemia fruticosaVarvas, Külliki; Koljak, Reet; Järving, Ivar; Pehk, Tõnis; Samel, NigulasTetrahedron letters1994 / 44, p. 8267-8270
• Enzymatic oxidation of arachidonic acid in the coral Gersemia fruticosaVarvas, Külliki1999 http://www.ester.ee/record=b1273068*est
• Identification and characterization of a naturally occuring 11R-lipoxygenaseJärving, Reet; Mortimer, Monika; Brash, Alan R.; Samel, Nigulas; Järving, IvarProstaglandins & other lipid mediators2006 / 1/2, p. 184 https://www.researchgate.net/publication/278279948_Identification_and_characterization_of_a_naturally_occurring_11R-lipoxygenase
• Identification and characterization of an arachidonate 11R-lipoxygenaseMortimer, Monika; Järving, Reet; Brash, Alan R.; Samel, Nigulas; Järving, IvarArchives of biochemistry and biophysics2006 / 1, p. 147-155 : ill https://www.sciencedirect.com/science/article/pii/S0003986105004455
• Isolation and characterization of the cDNA for prostaglandin endoperoxide synthase from the white sea soft coral Gersemia fruticosaKoljak, Reet; Varvas, Külliki; Järving, Ivar; Samel, Nigulas24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 29
• New cytotoxic sterols from the soft coral Gersemia fruticosaKoljak, Reet; Lopp, Annika; Pehk, Tõnis; Varvas, Külliki; Müürisepp, Aleksander-Mati; Järving, Ivar; Samel, NigulasTetrahedron1998 / p. 179-186
• PGG2 as a key intermediate in prostaglandin biosynthesis in the coral Gersemia fruticosaSamel, Nigulas; Varvas, Külliki; Koljak, Reet; Pehk, Tõnis; Järving, Ivar9th International Conference on Prostaglandins and Related Compounds, Florence, Italy, 1994 : abstract book1994 / p. 135
• The basis of prostaglandin synthesis in coral : molecular cloning and expression of a cyclooxygenase from the arctic soft coral Gersemia fruticosaKoljak, Reet; Järving, Ivar; Kurg, Reet; Boeglin, William E.; Varvas, Külliki; Valmsen, Karin; Ustav, Mart; Brash, Alan R.; Samel, NigulasJournal of biological chemistry2001 / 10, p. 7033-7040 : ill
• Uued tsütotoksilised steroidid korallist Gersemia fruticosa = New cytotoxic sterols from the soft coral Gersemia fruticosaKoljak, Reet; Lopp, Annika; Pehk, Tõnis; Varvas, Külliki; Järving, Ivar; Samel, NigulasXVII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 17th Estonian Chemistry Days : abstracts of scientific conference1996 / lk. 81-82 https://www.ester.ee/record=b1070511*est