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Cesare Rovelli, Domenico Brustolin, Paola Piro: Immunodiagnostic device and method. Boehringer Biochemia Robin S p A, Armstrong Nikaido Marmelstein Kubovcik & Murray, January 14, 1992: US05081013 (15 worldwide citation)

A method of, and a device for performing immune enzyme analyses are described, wherein positiveness or negativeness of an analysis is evaluated by colorimetric comparison of a chromogen zone of determination with a chromogen zone of reference, on which zones reactions are occurring, or not, between ...