Petrova, Nadezhda, Stefan Sivkov, Emilia Andreenko, Todor Atanasov, Tsvetelina Mladenova, Angel Dzhambov, and Tihomir Vachev. “Palmar Dermatoglyphic Traits of Schizophrenic Patients and Healthy Controls”. Proceedings of the Bulgarian Academy of Sciences 75, no. 9 (September 30, 2022): 1372–1382. Accessed April 19, 2024. https://www.proceedings.bas.bg/index.php/cr/article/view/165.