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Hartmann AF, Elman R; Technical Assistance of Marie Morton.Hartmann AF, et al. Among authors: elman r.J Exp Med. 1929 Aug 31;50(3):387-405. doi: 10.1084/jem.50.3.387.J Exp Med. 1929.PMID: 19869632Free PMC article.
Brown FA Jr, Hempelmann LH Jr, Elman R.Brown FA Jr, et al. Among authors: elman r.Science. 1942 Oct 2;96(2492):323-4. doi: 10.1126/science.96.2492.323.Science. 1942.PMID: 17751372No abstract available.