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. 1911 Jun 15;5(4):121–127.

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A Score of Difficult Boys

Ralph L Johnson

Ralph L Johnson, M.A.

¹Girard College, Philadelphia, Pa.

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¹

¹Girard College, Philadelphia, Pa.

Copyright, 1911, by Lightner Witmer, Editor.

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License, which permits non-commercial use and redistribution provided that the original author and source are credited.

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PMCID: PMC5147672 PMID: 28909898

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