Yankov, Y.; Georgiev, D.; Iliev, P.; Tonev, A.; Arangelov, S.; Valchev, K.; Panayotov, D.; Peeva, S. Infestation With Protostrongylids of the Balkan Chamois (Rupicapra Rupicapra Balcanica, Bolkey 1925) in Rila National Park, Bulgaria: Preliminary Data. BJAS 2022, 28 (3), 521-525.