Zito, P; Sajeva, M; Bruno, M; Rosselli, S; Maggio, A; Senatore, F (2013). «Essential oils composition of Periploca laevigata Aiton subsp. angustifolia (Labill.) Markgraf (Apocynaceae-Periplocoideae).». Natural Product Research27 (3): 255-65. PMID22439883. doi:10.1080/14786419.2012.671319.
Sadraei, H; Asghari, G; Emami, S (January 2013). «Inhibitory effect of Rosa damascena Mill flower essential oil, geraniol and citronellol on rat ileum contraction.». Research in pharmaceutical sciences8 (1): 17-23. PMID24459472.