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JAMA. 1922;79(19):1613-1615. doi:10.1001/jama.1922.02640190051023.
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Coward, K. H., and Drummond, J. C.:  The Formation of Vitamin A in Living Plant Tissue , Biochem. J. 15: 530, 1921.
Harvey, R. B.:  Growth of Plants in Artificial Light from Seed to Seed , Science 56: 366 ( (Sept. 29) ) 1922.
Link to Article[[XSLOpenURL/10.1126/science.56.1448.366-a]]
Jameson, H. L.; Drummond, J. C., and Coward, K. H.:  Synthesis of Vitamin A by a Marine Diatom (Nitzschia Closterium W. Sm.) Growing in Pure Culture , Biochem. J. 16: 482, 1922.
Drummond, J. C., and Zilva, S. S.:  The Origin of the Vitamin A in Fish Oils and Fish Liver Oils , Biochem. J. 16: 518, 1922.
Häggström, Paul:  Uber puerperale Thrombosen und Embolism , Upsala Läkareförenings Handlingar 27: 305-351 ( (Sept.) ) 1922.


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