title: [Subtraction and harmonization of contrast in the radiographic image in the work of Dr. Vojtech Alexander (1857-1916)].
mesh_terms: D003604:Czechoslovakia; D049672:History, 19th Century; D049673:History, 20th Century; D011856:Radiographic Image Enhancement; D011859:Radiography / Q000266:history*; D013382:Subtraction Technique
vernacular_title: Subtrakcia a harmonizácia kontrastu röntgenového obrazu v diele prof. MUDr. Vojtecha Alexandra (1857-1916).