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	<title>1988Frank Classification - Revision history</title>
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	<updated>2026-05-24T19:47:48Z</updated>
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		<id>https://3demmethods.i2pc.es/index.php?title=1988Frank_Classification&amp;diff=1994&amp;oldid=prev</id>
		<title>Jjfdez at 09:58, 7 August 2009</title>
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		<updated>2009-08-07T09:58:20Z</updated>

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&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Citation ==&lt;br /&gt;
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Frank J, Chiu W, Degn L. The characterization of structural variations within a crystal field. Ultramicroscopy 26:345-360, 1988.&lt;br /&gt;
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== Abstract ==&lt;br /&gt;
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The technique of correlation averaging is refined by the use of multivariate statistical analysis and classification. The refined method can deal with the presence of structural variations within a crystal field. A low-dose image of a crotoxin crystal embedded in ice is used to demonstrate that crystallographic structural parameters characterizing the different areas of such a crystal with varying structure can be extracted rigorously and reproducibly.&lt;br /&gt;
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== Keywords ==&lt;br /&gt;
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== Links ==&lt;br /&gt;
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Articles http://dx.doi.org/10.1016/0304-3991(88)90234-3    &lt;br /&gt;
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== Related software ==&lt;br /&gt;
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== Related methods ==&lt;br /&gt;
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== Comments ==&lt;/div&gt;</summary>
		<author><name>Jjfdez</name></author>
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