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Shinkolobwe (talk | contribs) Adding short description: "Type of chemical test in which a water sample flows through a system" |
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== History ==
The first flow-through test was developed in 1985 to test for the presence of [[Human chorionic gonadotropin|beta-human chorionic gonadotropin]] in urine.<ref name="John"/><ref name="Valkirs">{{cite journal | vauthors = Valkirs GE, Barton R | title = ImmunoConcentration — a new format for solid-phase immunoassays | journal = Clinical Chemistry | volume = 31 | issue = 9 | pages = 1427–31 | date = September 1985 | doi = 10.1093/clinchem/31.9.1427 | pmid = 4028392 | url = http://www.clinchem.org/content/31/9/1427.long | url-access = subscription }}</ref>
== Principle of flow-through tests ==
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