[Simultaneous memorization of data on microfilm and magnetic tapes].
D003201:Computers; D006801:Humans; D008171:Lung Diseases / Q000503:physiopathology; D008499:Medical Records; D008843:Microfilming / Q000379:methods; D012129:Respiratory Function Tests / Q000379:methods; D013637:Tape Recording / Q000379:methods
Mémorisation parallèle de données sur microfilm et bandes magnétiques