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Comment to “An umbilical surprise: a collective review on umbilical pilonidal sinus”. J. B. Ponten, J. E. H. Ponten, M. D. P. Luyer, S. W. Nienhuijs

Crossref DOI link: https://doi.org/10.1007/s10029-016-1567-6

Published Online: 2016-12-29

Published Print: 2017-06

Update policy: https://doi.org/10.1007/springer_crossmark_policy