Effect of helixor A on natural killer cell activity in endometriosis In-Cheul Jeung 1, Youn-Jee Chung 1, Boah Chae 1, So-Yeon Kang 1, Jae-Yen Song 1, Hyun-Hee Jo 1, Young-Ok Lew 1, Jang-Heub Kim 1, Mee-Ran Kim 1 Efficacy and safety of Viscum album extract (Helixor-M) to treat malignant pleural effusion in patients with lung cancer Yun-Gyoo Lee 1, Ina Jung 1, Dong-Hoe Koo 1, Du-Young Kang 2, Tae Yoon Oh 2, Sukjoong Oh 1, Seung-Sei Lee 3 Cytotoxic activity and absence of tumor growth stimulation of standardized mistletoe extracts in human tumor models in vitro Gerhard Kelter, Jörg M Schierholz, Imma U Fischer, Heinz-Herbert Fiebig Helixor-la omeloterapiyanın əsasları və onun praktikada tətbiqi Helixor--mistletoe preparation for cancer therapy. Documentation No. 19 [Article in German] A Kast, S P Hauser Use and safety of intratumoral application of European mistletoe (Viscum album L) preparations in Oncology Megan L Steele, Jan Axtner, Antje Happe, Matthias Kröz, Harald Matthes, Friedemann Schad