Diagnostic analyses of medical specimens or analyses of samples taken from industrial processes, waste treatment or the environment are made based on hydraulic dosage of liquids, in which a dosage space (8) of limited volume included in the test unit is filled with the medium needed in the test by means...http://www.google.com.au/patents/US7608464?utm_source=gb-gplus-sharePatent US7608464 - Method for use in testing of liquid samples, a test unit utilizing the method and a system comprising such test units