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Urobilinogen control
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Patent number 4,703,013
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Issue date Oct 27, 1987
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Allan L. Louderback
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G01 - MEASURING TESTING
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Urobilinogen control
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Patent number 4,677,075
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Issue date Jun 30, 1987
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Allan L. Louderback
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G01 - MEASURING TESTING
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Hematology control
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Patent number 4,579,824
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Issue date Apr 1, 1986
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Allan L. Louderback
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G01 - MEASURING TESTING
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Blood gas control
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Patent number 4,279,775
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Issue date Jul 21, 1981
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Allan L. Louderback
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G01 - MEASURING TESTING
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