Hydrofluoric acid: Burns and systematic toxicity, protective measures, immediate and hospital medical treatment - Bajraktarova Valjakova E, Korunoska-Stevkovska V, Georgieva S, Ivanovski K, Bajraktarova Misevska C, Mijoska A, Grozdanov A. (Open Access Maced J Med Sci, 2018; 6(11): 1-14, 2018)