Correct spelling for the English word "GUBER" is [ɡjˈuːbə], [ɡjˈuːbə], [ɡ_j_ˈuː_b_ə] (IPA phonetic alphabet).
Bosnia. Chalybeate-arsenical waters. Cold Used internally in chlorosis, anemia, nervous affections, fevers, and skin diseases.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.