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These references are in PubMed. This may not be the complete list of references from this article.
- Pappenheimer A. M. The nature of the "sporogenes vitamin", an essential growth factor for Cl. sporogenes and related organisms. Biochem J. 1935 Sep;29(9):2057–2063. doi: 10.1042/bj0292057. [DOI] [PMC free article] [PubMed] [Google Scholar]

