| Armstrong, Arthur Riley | <person> Canadian physician, *1904. See: King-Armstrong unit. (05 Mar 2000) |
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| Armstrong, Henry | <person> British physician. (05 Mar 2000) |
| King-Armstrong unit | The quantity of phosphatase that, acting upon disodium phenylphosphate in excess, at pH 9 for 30 min, liberates 1 mg of phenol. Synonym: King-Armstrong unit. (05 Mar 2000) |
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