Primary Source #439:

Ferreira ST, Correia C, Marçal M, Tuna ML. Skin rash: a manifestation of early congenital syphilis. BMJ Case Rep. 2016 Jun 6;2016:bcr2016216148. doi: 10.1136/bcr-2016-216148. PMID: 27268292; PMCID: PMC4904381.

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