Mothana, R. A.; Kriegisch, S.; Harms, M.; Wende, K.; Lindequist, U. (2011). «Assessment of selected Yemeni medicinal plants for their in vitro antimicrobial, anticancer, and antioxidant activities.». Pharmaceutical Biology49 (2): 200-10. PMID20942618. doi:10.3109/13880209.2010.512295.
Al Musayeib, Nawal M.; Mothana, Ramzi A.; Mohamed, Gamal A.; Ibrahim, Sabrin R.M.; Maes, Louis (2014). «Hypoestenonols A and B, new fusicoccane diterpenes from Hypoestes forskalei». Phytochemistry Letters10: 23-27. doi:10.1016/j.phytol.2014.06.020.
Muhammad, Ilias; Mossa, Jaber S.; Ramadan, Ahmed F.; El-Feraly, Farouk S.; Hufford, Charles D. (1998). «Additional diterpene ketones from Hypoestes forskalei». Phytochemistry47 (7): 1331-1336. doi:10.1016/S0031-9422(97)00709-7.
Mothana, R. A.; Kriegisch, S.; Harms, M.; Wende, K.; Lindequist, U. (2011). «Assessment of selected Yemeni medicinal plants for their in vitro antimicrobial, anticancer, and antioxidant activities.». Pharmaceutical Biology49 (2): 200-10. PMID20942618. doi:10.3109/13880209.2010.512295.