Active oxygen intermediates in the degradation of hematoporphyrin derivative in tumor cells subjected to photodynamic therapyTšekulajeva, Ludmilla; Tšekulajev, Vladimir; Ševtšuk, IgorJournal of photochemistry and photobiology B : biology2008 / 2, p. 94-107 : ill https://www.sciencedirect.com/science/article/pii/S1011134408001474

Feoforbiid-a kompleks diaminobutaan-polüpropüleenimiinse dendrimeeriga - uus fotodünaamilise teraapia fotosensibilisaatorŠevtšuk, Igor; Tšekulajeva, Ludmilla; Tšekulajev, VladimirXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 109-110

Influence of heating on the activity of xanthine oxidase in tumor cells subjected to the phototoxic action of hematoporphyrin derivativeTšekulajeva, Ludmilla; Ševtšuk, Igor; Tšekulajev, Vladimir; Oginskaya, E.Neoplasma2007 / 3, p. 229-234 https://www.academia.edu/49855199/Influence_of_heating_on_the_activity_of_xanthine_oxidase_in_tumor_cells_subjected_to_the_phototoxic_action_of_hematoporphyrin_derivative

Photosensitized inactivation of tumor cells by porphyrins and chlorinsTšekulajeva, Ludmilla2006 https://digi.lib.ttu.ee/i/?96 https://www.ester.ee/record=b2146047*est