Maslarov, Dimitar, V. Georgiev, V. Georgieva, G. Ivanov, G. Peychev, G. Slavova, D. Drenska, I. Nisimov, K. Yordanova, O. Sergienko, S. Nacheva, S. Nenova, and H. Spasova. 2023. “The Effectiveness of Fenaxon on Peripheral Nerve Disorders’ Treatment – Clinical Observation”. Cephalgia 25 (1):46-57. https://glavobolie.org/journal/index.php/ce/article/view/65.