Twelfth edition. Price, $6. Champaign, Ill.: Colwell Publishing Company.
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The 1939 edition of this useful account book has all the admirable features which have characterized the former editions.
Dr. Colwell's Daily Log for Physicians. Am J Dis Child. 1939;57(1):237. doi:10.1001/archpedi.1939.01990010246021
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